{"id":5260,"date":"2023-11-14T08:06:50","date_gmt":"2023-11-14T02:36:50","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=5260"},"modified":"2023-11-14T08:08:32","modified_gmt":"2023-11-14T02:38:32","slug":"ncert-class-8-science-mcq-11","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/ncert-class-8-science-mcq-11\/","title":{"rendered":"NCERT Class 8 Science MCQ :\u00a0Friction"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/mcqs\/ncert-class-8-science-mcq-11\/#NCERT_Class_8_Science_MCQ_Friction\" >NCERT Class 8 Science MCQ :&nbsp;Friction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/mcqs\/ncert-class-8-science-mcq-11\/#NCERT_Class_8_Science_Friction_MCQ_%E2%80%93_NCERT_Class_8_MCQ\" >NCERT Class 8 Science : Friction MCQ &#8211; NCERT Class 8 MCQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/mcqs\/ncert-class-8-science-mcq-11\/#Some_Important_Links\" >Some Important Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_Class_8_Science_MCQ_Friction\"><\/span>NCERT Class 8 Science MCQ :&nbsp;Friction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dive into the world of &#8220;Friction&#8221; through our meticulously curated multiple-choice question (MCQ) repository sourced from a wide array of exams, including the renowned UPSC IAS and diverse sectors. Explore the intricacies of friction, a fundamental force governing our physical world, and gain a comprehensive understanding of its principles, applications, and significance across various fields.<\/p>\n\n\n\n<p>This collection covers a spectrum of topics, offering insights into the laws of friction, types of friction, frictional forces in different materials, and their practical implications. Prepare for exams with questions akin to those encountered in competitive assessments, fostering a deeper understanding of friction-related principles and their real-world applications.<\/p>\n\n\n\n<p>Each MCQ is accompanied by detailed explanations, enabling a thorough grasp of friction&#8217;s scientific concepts and their practical relevance. Our interactive platform facilitates progress tracking, allowing you to identify areas for improvement and monitor your learning journey in comprehending the complexities of friction.<\/p>\n\n\n\n<p>Whether you&#8217;re a student gearing up for competitive exams, a science enthusiast fascinated by fundamental forces, or an individual seeking a deeper insight into friction&#8217;s role in our world, our &#8220;Friction&#8221; MCQs page is your gateway to an enriching educational experience. Immerse yourself in the fascinating realm of friction, enhance your scientific knowledge, and ace exams that test your understanding of this crucial force.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_Class_8_Science_Friction_MCQ_%E2%80%93_NCERT_Class_8_MCQ\"><\/span>NCERT Class 8 <strong>Science<\/strong> : Friction MCQ<strong> &#8211; NCERT Class 8 MCQ<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<style>\r\n    \/* Quiz container *\/\r\n    .quiz-container {\r\n        max-width: 800px;\r\n        margin: 0 auto;\r\n        padding: 20px;\r\n        box-sizing: border-box;\r\n        font-family: Arial, sans-serif;\r\n    }\r\n\r\n    \/* Question *\/\r\n    .question {\r\n        background-color: #f9f9f9;\r\n        padding: 20px;\r\n        border: 1px solid #ccc;\r\n        font-size: 20px;\r\n        margin-bottom: 20px;\r\n        border-radius: 5px;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n        position: relative;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .question h4 {\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Options list *\/\r\n    .options {\r\n        list-style-type: none;\r\n        padding: 0;\r\n    }\r\n\r\n    \/* Option item *\/\r\n    .options li {\r\n        margin: 10px;\r\n        padding: 10px;\r\n        display: flex;\r\n        align-items: center;\r\n        border-radius: 5px;\r\n        border: 2px solid #ccc;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n    }\r\n\r\n    \/* Option number *\/\r\n    .options li span {\r\n        margin-right: 10px;\r\n        width: 20px;\r\n        height: 20px;\r\n        border-radius: 50%;\r\n        border: 2px solid black;\r\n        display: flex;\r\n        justify-content: center;\r\n        align-items: center;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Option colors *\/\r\n    .options li span.option-a {\r\n        background-color: #FFD700; \/* Yellow *\/\r\n    }\r\n\r\n    .options li span.option-b {\r\n        background-color: #FF1493; \/* Pink *\/\r\n    }\r\n\r\n    .options li span.option-c {\r\n        background-color: #00BFFF; \/* Light Blue *\/\r\n    }\r\n\r\n    .options li span.option-d {\r\n        background-color: #7CFC00; \/* Green-Yellow *\/\r\n    }\r\n\r\n    .options li span.option-e {\r\n        background-color: #EE82EE; \/* Purple-Pink *\/\r\n    }\r\n\r\n    \/* Show answer button *\/\r\n    .show-answer {\r\n        background-color: #0066CC;\r\n        color: #fff;\r\n        border: none;\r\n        padding: 8px 20px;\r\n        font-size: 20px;\r\n        cursor: pointer;\r\n        border-radius: 3px;\r\n        text-align: center;\r\n        display: inline-block;\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Answer box *\/\r\n    .answer-box {\r\n        margin: 0 auto;\r\n        padding: 10px;\r\n        font-size: 20px;\r\n        color: #61970F;\r\n        box-sizing: border-box;\r\n        display: none;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .quiz-container .question-header {\r\n        color: darkblue;\r\n        font-weight: bold;\r\n        margin-right: 10px;\r\n    }\r\n\r\n    \/* Question header and text *\/\r\n    .quiz-container .question-header,\r\n    .quiz-container .question-text {\r\n        display: inline;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Responsive styles *\/\r\n    @media (max-width: 767px) {\r\n        .quiz-container {\r\n            padding: 10px;\r\n        }\r\n    }\r\n<\/style>\r\n<div class=\"quiz-container\">\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Friction is a\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8199\">non-contact force<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8199\">contact force<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8199\">magnetic force<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8199\">electrostatic force<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of the following produces least friction?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8200\">Sliding friction<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8200\">Rolling friction<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8200\">Composite friction<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8200\">Static friction<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Friction always<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8201\">opposes the motion<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8201\">helps the motion<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8201\">both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8201\">none of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Friction can be reduced by using\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8202\">oil<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8202\">grease<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8202\">powder<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8202\">all of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Static friction is less than\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8203\">sliding friction<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8203\">rolling friction<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8203\">both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8203\">none of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8204\">only if the objects are solid.<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8204\">only if one of the two objects is liquid.<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8204\">only if one of the two objects is gaseous<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8204\">irrespective of whether the objects are solid, liquid or gaseous<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8205\">Stone<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8205\">Plastic block<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8205\">Wooden block<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8205\">Glass block<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The shape of an aeroplane is like a\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8206\">dog<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8206\">bird<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8206\">car<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8206\">all of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Friction is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8207\">foe<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8207\">friend<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8207\">both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8207\">none of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Friction due to fluids is called\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8208\">force<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8208\">pressure<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8208\">friction<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8208\">drag<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of the following is not a smooth surface?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8209\">Surface of wet soap<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8209\">Surface of tyres<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8209\">Glazed tiles<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8209\">Surface of mirror<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">A toy car released with the same initial speed will travel farthest on\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8210\">muddy surface<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8210\">polished marble surface<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8210\">cemented surface<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8210\">brick surface<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">If we apply oil on door hinges, the friction will\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8211\">increase<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8211\">decrease<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8211\">disappear altogether<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8211\">will remain unchanged<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Lubricant\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8212\">reduce friction<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8212\">increase friction<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8212\">both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8212\">none of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Force of friction depends on\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8213\">roughness of surface<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8213\">smoothness of surface<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8213\">inclination of surface<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8213\">all of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Force of friction depends on\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8214\">roughness of surface<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8214\">weight<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8214\">size<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8214\">all of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Fluids are\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8215\">liquids<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8215\">gases<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8215\">both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8215\">none of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which is a streamlined object?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8216\">Boats<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8216\">Aeroplanes<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8216\">Ships<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8216\">All of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Smooth surface has\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8217\">less friction<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8217\">more friction<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8217\">sometimes less and sometimes more<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8217\">all of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of the following is responsible for wearing out of bicycle tyres?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_8218\">Muscular force<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_8218\">Magnetic force<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_8218\">Frictional force<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_8218\">Electrostatic force<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n  <\/div>\r\n<script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\r\n<script>\r\n$(document).ready(function() {\r\n  $('.show-answer').click(function() {\r\n    var answer = $(this).data('answer');\r\n    $(this).siblings('.answer-box').html('The correct answer is: ' + answer).slideDown();\r\n    $(this).hide();\r\n  });\r\n});\r\n<\/script>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span 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href=\"https:\/\/edunovations.com\/mcqs\/category\/subject-wise\/indian-history\/\" target=\"_blank\" rel=\"noreferrer noopener\">Indian History MCQs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/subject-wise\/indian-polity\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Indian Polity MCQ<\/strong>s<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"Free-GK-MCQ-App\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"Free GK MCQ App noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App.jpg\" alt=\"Free GK MCQ App\" class=\"wp-image-743\" title=\"Free GK MCQ App\" srcset=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App.jpg 900w, 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sourced from a wide array of exams, including the renowned UPSC IAS and diverse sectors. Explore the intricacies of friction, a fundamental force governing our physical world, and gain a comprehensive understanding of its principles, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5268,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[67],"tags":[4153,3010,4152,4151,4149,4150,590],"class_list":["post-5260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-8","tag-applied-science","tag-competitive-exam-prep","tag-frictional-forces","tag-laws-of-friction","tag-mechanical-engineering","tag-physics-education","tag-upsc-ias","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/5260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/comments?post=5260"}],"version-history":[{"count":0,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/5260\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/5268"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=5260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=5260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=5260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}