{"id":86431,"date":"2025-06-01T03:46:50","date_gmt":"2025-06-01T03:46:50","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86431"},"modified":"2025-06-01T03:46:50","modified_gmt":"2025-06-01T03:46:50","slug":"the-following-diagram-shows-a-pendulum-at-different-positions-which-o","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/","title":{"rendered":"The following diagram shows a pendulum at different positions. Which o"},"content":{"rendered":"<p>The following diagram shows a pendulum at different positions. Which one of the following statement is true ?<br \/>\n[Image of a pendulum at positions P, Q, R, S, T]<\/p>\n<p>[amp_mcq option1=&#8221;The pendulum has minimum potential energy at positions P and T.&#8221; option2=&#8221;The pendulum has minimum potential energy at positions Q and S.&#8221; option3=&#8221;The pendulum has minimum potential energy at position R.&#8221; option4=&#8221;The pendulum has same potential energy at all positions.&#8221; correct=&#8221;option3&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CDS-2 &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cds-2-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cds-2-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">In a simple pendulum, potential energy is related to its height above a reference point. The lowest point in the swing represents the minimum height, and therefore, the minimum potential energy. In the diagram, position R is the lowest point of the pendulum&#8217;s swing.<\/section>\n<section id=\"pyq-key-points\">Potential energy is given by PE = mgh, where m is mass, g is acceleration due to gravity, and h is height. As the pendulum swings, its height above the equilibrium position (lowest point) changes. Potential energy is maximum at the extreme positions (P and T), where the pendulum is momentarily at its highest point and stops before changing direction. Potential energy is minimum at the mean position (R), where the pendulum is at its lowest point and moving with maximum speed.<\/section>\n<section id=\"pyq-additional-information\">At the extreme positions (P and T), the kinetic energy is minimum (zero) because the velocity is zero. At the mean position (R), the kinetic energy is maximum because the velocity is maximum. In the absence of air resistance and friction, the total mechanical energy (sum of potential and kinetic energy) of the pendulum remains conserved throughout its swing.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The following diagram shows a pendulum at different positions. Which one of the following statement is true ? [Image of a pendulum at positions P, Q, R, S, T] [amp_mcq option1=&#8221;The pendulum has minimum potential energy at positions P and T.&#8221; option2=&#8221;The pendulum has minimum potential energy at positions Q and S.&#8221; option3=&#8221;The pendulum has &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"The following diagram shows a pendulum at different positions. Which o\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/#more-86431\">Detailed Solution<span class=\"screen-reader-text\">The following diagram shows a pendulum at different positions. Which o<\/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":[1105,1129,1128],"class_list":["post-86431","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1105","tag-mechanics","tag-physics","no-featured-image-padding"],"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>The following diagram shows a pendulum at different positions. Which o<\/title>\n<meta name=\"description\" content=\"In a simple pendulum, potential energy is related to its height above a reference point. The lowest point in the swing represents the minimum height, and therefore, the minimum potential energy. In the diagram, position R is the lowest point of the pendulum&#039;s swing. Potential energy is given by PE = mgh, where m is mass, g is acceleration due to gravity, and h is height. As the pendulum swings, its height above the equilibrium position (lowest point) changes. Potential energy is maximum at the extreme positions (P and T), where the pendulum is momentarily at its highest point and stops before changing direction. Potential energy is minimum at the mean position (R), where the pendulum is at its lowest point and moving with maximum speed.\" \/>\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\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The following diagram shows a pendulum at different positions. Which o\" \/>\n<meta property=\"og:description\" content=\"In a simple pendulum, potential energy is related to its height above a reference point. The lowest point in the swing represents the minimum height, and therefore, the minimum potential energy. In the diagram, position R is the lowest point of the pendulum&#039;s swing. Potential energy is given by PE = mgh, where m is mass, g is acceleration due to gravity, and h is height. As the pendulum swings, its height above the equilibrium position (lowest point) changes. Potential energy is maximum at the extreme positions (P and T), where the pendulum is momentarily at its highest point and stops before changing direction. Potential energy is minimum at the mean position (R), where the pendulum is at its lowest point and moving with maximum speed.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:46:50+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":"The following diagram shows a pendulum at different positions. Which o","description":"In a simple pendulum, potential energy is related to its height above a reference point. The lowest point in the swing represents the minimum height, and therefore, the minimum potential energy. In the diagram, position R is the lowest point of the pendulum's swing. Potential energy is given by PE = mgh, where m is mass, g is acceleration due to gravity, and h is height. As the pendulum swings, its height above the equilibrium position (lowest point) changes. Potential energy is maximum at the extreme positions (P and T), where the pendulum is momentarily at its highest point and stops before changing direction. Potential energy is minimum at the mean position (R), where the pendulum is at its lowest point and moving with maximum speed.","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\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/","og_locale":"en_US","og_type":"article","og_title":"The following diagram shows a pendulum at different positions. Which o","og_description":"In a simple pendulum, potential energy is related to its height above a reference point. The lowest point in the swing represents the minimum height, and therefore, the minimum potential energy. In the diagram, position R is the lowest point of the pendulum's swing. Potential energy is given by PE = mgh, where m is mass, g is acceleration due to gravity, and h is height. As the pendulum swings, its height above the equilibrium position (lowest point) changes. Potential energy is maximum at the extreme positions (P and T), where the pendulum is momentarily at its highest point and stops before changing direction. Potential energy is minimum at the mean position (R), where the pendulum is at its lowest point and moving with maximum speed.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:46:50+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\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/","name":"The following diagram shows a pendulum at different positions. Which o","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T03:46:50+00:00","dateModified":"2025-06-01T03:46:50+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"In a simple pendulum, potential energy is related to its height above a reference point. The lowest point in the swing represents the minimum height, and therefore, the minimum potential energy. In the diagram, position R is the lowest point of the pendulum's swing. Potential energy is given by PE = mgh, where m is mass, g is acceleration due to gravity, and h is height. As the pendulum swings, its height above the equilibrium position (lowest point) changes. Potential energy is maximum at the extreme positions (P and T), where the pendulum is momentarily at its highest point and stops before changing direction. Potential energy is minimum at the mean position (R), where the pendulum is at its lowest point and moving with maximum speed.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-following-diagram-shows-a-pendulum-at-different-positions-which-o\/#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":"The following diagram shows a pendulum at different positions. Which o"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=86431"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86431\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}