{"id":85962,"date":"2025-06-01T03:33:12","date_gmt":"2025-06-01T03:33:12","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85962"},"modified":"2025-06-01T03:33:12","modified_gmt":"2025-06-01T03:33:12","slug":"a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/","title":{"rendered":"A car undergoes a uniform circular motion. The acceleration of the car"},"content":{"rendered":"

A car undergoes a uniform circular motion. The acceleration of the car is<\/p>\n

[amp_mcq option1=”zero” option2=”a non-zero constant” option3=”a non-zero but not a constant” option4=”None of the above” correct=”option3″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC CDS-2 – 2019<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
In uniform circular motion, the speed of the object (car) is constant, but its direction of motion is continuously changing. Velocity is a vector quantity (magnitude + direction). Since the direction of velocity is changing, the velocity itself is not constant. Acceleration is the rate of change of velocity. Therefore, there is a non-zero acceleration. The acceleration in uniform circular motion is the centripetal acceleration, which is directed towards the center of the circle. Its magnitude (a = v^2\/r) is constant because the speed (v) and radius (r) are constant. However, the direction of the acceleration vector is continuously changing as the car moves around the circle. A vector quantity is constant only if both its magnitude and direction are constant. Since the direction changes, the acceleration vector is non-zero but not constant.<\/section>\n
Acceleration is a vector quantity. For acceleration to be constant, both its magnitude and direction must be constant.<\/section>\n
The acceleration in uniform circular motion is always perpendicular to the velocity vector and points towards the center of the circle. This causes the direction of velocity to change, resulting in circular motion, while the speed remains constant.<\/section>\n","protected":false},"excerpt":{"rendered":"

A car undergoes a uniform circular motion. The acceleration of the car is [amp_mcq option1=”zero” option2=”a non-zero constant” option3=”a non-zero but not a constant” option4=”None of the above” correct=”option3″] This question was previously asked in UPSC CDS-2 – 2019 Download PDFAttempt Online In uniform circular motion, the speed of the object (car) is constant, but … <\/p>\n

Detailed SolutionA car undergoes a uniform circular motion. The acceleration of the car<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1088],"tags":[1119,1129,1128],"class_list":["post-85962","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1119","tag-mechanics","tag-physics","no-featured-image-padding"],"yoast_head":"\nA car undergoes a uniform circular motion. The acceleration of the car<\/title>\n<meta name=\"description\" content=\"In uniform circular motion, the speed of the object (car) is constant, but its direction of motion is continuously changing. Velocity is a vector quantity (magnitude + direction). Since the direction of velocity is changing, the velocity itself is not constant. Acceleration is the rate of change of velocity. Therefore, there is a non-zero acceleration. The acceleration in uniform circular motion is the centripetal acceleration, which is directed towards the center of the circle. Its magnitude (a = v^2\/r) is constant because the speed (v) and radius (r) are constant. However, the direction of the acceleration vector is continuously changing as the car moves around the circle. A vector quantity is constant only if both its magnitude and direction are constant. Since the direction changes, the acceleration vector is non-zero but not constant. Acceleration is a vector quantity. For acceleration to be constant, both its magnitude and direction must be constant.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A car undergoes a uniform circular motion. The acceleration of the car\" \/>\n<meta property=\"og:description\" content=\"In uniform circular motion, the speed of the object (car) is constant, but its direction of motion is continuously changing. Velocity is a vector quantity (magnitude + direction). Since the direction of velocity is changing, the velocity itself is not constant. Acceleration is the rate of change of velocity. Therefore, there is a non-zero acceleration. The acceleration in uniform circular motion is the centripetal acceleration, which is directed towards the center of the circle. Its magnitude (a = v^2\/r) is constant because the speed (v) and radius (r) are constant. However, the direction of the acceleration vector is continuously changing as the car moves around the circle. A vector quantity is constant only if both its magnitude and direction are constant. Since the direction changes, the acceleration vector is non-zero but not constant. Acceleration is a vector quantity. For acceleration to be constant, both its magnitude and direction must be constant.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:33:12+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"A car undergoes a uniform circular motion. 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For acceleration to be constant, both its magnitude and direction must be constant.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/","og_locale":"en_US","og_type":"article","og_title":"A car undergoes a uniform circular motion. The acceleration of the car","og_description":"In uniform circular motion, the speed of the object (car) is constant, but its direction of motion is continuously changing. Velocity is a vector quantity (magnitude + direction). Since the direction of velocity is changing, the velocity itself is not constant. Acceleration is the rate of change of velocity. Therefore, there is a non-zero acceleration. The acceleration in uniform circular motion is the centripetal acceleration, which is directed towards the center of the circle. Its magnitude (a = v^2\/r) is constant because the speed (v) and radius (r) are constant. However, the direction of the acceleration vector is continuously changing as the car moves around the circle. A vector quantity is constant only if both its magnitude and direction are constant. Since the direction changes, the acceleration vector is non-zero but not constant. Acceleration is a vector quantity. For acceleration to be constant, both its magnitude and direction must be constant.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:33:12+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/","url":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/","name":"A car undergoes a uniform circular motion. 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A vector quantity is constant only if both its magnitude and direction are constant. Since the direction changes, the acceleration vector is non-zero but not constant. Acceleration is a vector quantity. For acceleration to be constant, both its magnitude and direction must be constant.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/a-car-undergoes-a-uniform-circular-motion-the-acceleration-of-the-car\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CDS-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cds-2\/"},{"@type":"ListItem","position":3,"name":"A car undergoes a uniform circular motion. 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