{"id":21850,"date":"2024-04-15T06:11:53","date_gmt":"2024-04-15T06:11:53","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=21850"},"modified":"2024-04-15T06:11:53","modified_gmt":"2024-04-15T06:11:53","slug":"friction-can-be-reduced-by-changing-from-a-static-to-dynamic-b-rolling-to-sliding-c-dynamic-to-static-d-sliding-to-rolling","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/friction-can-be-reduced-by-changing-from-a-static-to-dynamic-b-rolling-to-sliding-c-dynamic-to-static-d-sliding-to-rolling\/","title":{"rendered":"Friction can be reduced by changing from A. Static to Dynamic B. Rolling to Sliding C. Dynamic to Static D. Sliding to Rolling"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9ac1b5e11b4\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Static to Dynamic                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    Rolling to Sliding                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Dynamic to Static                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Sliding to Rolling                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>B. Rolling to Sliding<\/strong><\/p>\n<p>Friction is a force that opposes the relative motion of two objects or materials. It is caused by the roughness of the surfaces in contact. The rougher the surfaces, the greater the friction.<\/p>\n<p>Static friction is the friction that exists between two objects that are not moving relative to each other. Dynamic friction is the friction that exists between two objects that are moving relative to each other.<\/p>\n<p>Rolling friction is a type of dynamic friction that occurs when a wheel rolls over a surface. Sliding friction is a type of dynamic friction that occurs when two surfaces slide past each other.<\/p>\n<p>Rolling friction is less than sliding friction because the rolling motion of the wheel helps to reduce the contact area between the wheel and the surface. This reduces the amount of roughness that can cause friction.<\/p>\n<p>Therefore, the friction can be reduced by changing from sliding to rolling.<\/p>\n<p>Here are some additional details about each option:<\/p>\n<ul>\n<li>Option A: Static to Dynamic. Static friction is greater than dynamic friction. <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n        <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div>             <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> Therefore, changing from static to dynamic friction will not reduce friction.<\/li>\n<li>Option C: Dynamic to Static. Dynamic friction is less than static friction. Therefore, changing from dynamic to static friction will not reduce friction.<\/li>\n<li>Option D: Sliding to Rolling. Rolling friction is less than sliding friction. Therefore, changing from sliding to rolling will reduce friction.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Friction can be reduced by changing from A. Static to Dynamic B. Rolling to Sliding C. Dynamic to Static D. 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