{"id":89040,"date":"2025-06-01T07:28:13","date_gmt":"2025-06-01T07:28:13","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=89040"},"modified":"2025-06-01T07:28:13","modified_gmt":"2025-06-01T07:28:13","slug":"which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/","title":{"rendered":"Which one of the following sketches correctly describes a lever of sec"},"content":{"rendered":"<p>Which one of the following sketches correctly describes a lever of second class ?<\/p>\n<p>[amp_mcq option1=&#8221;Sketch (a) showing Fulcrum at one end, Load in the middle, Effort at the other end.&#8221; option2=&#8221;Sketch (b) showing Fulcrum at one end, Effort in the middle, Load at the other end.&#8221; option3=&#8221;Sketch (c) showing Fulcrum in the middle, Load at one end, Effort at the other end.&#8221; option4=&#8221;Sketch (d) showing Fulcrum at one end, Load in the middle, Effort at the other end.&#8221; correct=&#8221;option1&#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 NDA-2 &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-2-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-2-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nAssuming Sketch (a) shows the configuration with the Fulcrum at one end, the Load in the middle, and the Effort at the other end, it correctly describes a lever of the second class.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Levers are simple machines consisting of a rigid bar that pivots around a fixed point called the fulcrum. Forces are applied to the lever: the effort (the force applied by the user) and the load (the force exerted by the object being moved or worked on).<br \/>\n&#8211; Levers are classified into three classes based on the relative positions of the fulcrum (F), the load (L), and the effort (E).<br \/>\n    &#8211; Class 1 Lever: F is between E and L (E &#8211; F &#8211; L or L &#8211; F &#8211; E). Examples: seesaw, crowbar.<br \/>\n    &#8211; Class 2 Lever: L is between F and E (F &#8211; L &#8211; E). Examples: wheelbarrow, nutcracker, bottle opener.<br \/>\n    &#8211; Class 3 Lever: E is between F and L (F &#8211; E &#8211; L). Examples: tweezers, fishing rod, forearm lifting a weight.<br \/>\n&#8211; The question asks for a second-class lever. In a second-class lever, the Load is always located between the Fulcrum and the Effort.<br \/>\n&#8211; Option A&#8217;s description (&#8220;Fulcrum at one end, Load in the middle, Effort at the other end&#8221;) matches the configuration of a Class 2 lever (F &#8211; L &#8211; E).<br \/>\n&#8211; Option B describes a Class 3 lever (F &#8211; E &#8211; L).<br \/>\n&#8211; Option C describes a Class 1 lever (E &#8211; F &#8211; L or L &#8211; F &#8211; E, specifically F in the middle).<br \/>\n&#8211; Option D&#8217;s description is identical to Option A&#8217;s. Without seeing the sketches, we rely on the description provided in the options. Assuming Sketch (a) corresponds to the description in A and is a visual representation of F-L-E, then A is correct.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nSecond-class levers always provide a mechanical advantage greater than 1 (MA > 1), meaning the effort required is less than the load force, because the effort arm (distance from fulcrum to effort) is always longer than the load arm (distance from fulcrum to load).<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following sketches correctly describes a lever of second class ? [amp_mcq option1=&#8221;Sketch (a) showing Fulcrum at one end, Load in the middle, Effort at the other end.&#8221; option2=&#8221;Sketch (b) showing Fulcrum at one end, Effort in the middle, Load at the other end.&#8221; option3=&#8221;Sketch (c) showing Fulcrum in the middle, Load &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following sketches correctly describes a lever of sec\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/#more-89040\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following sketches correctly describes a lever of sec<\/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":[1094],"tags":[1103,1129,1128],"class_list":["post-89040","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1103","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>Which one of the following sketches correctly describes a lever of sec<\/title>\n<meta name=\"description\" content=\"Assuming Sketch (a) shows the configuration with the Fulcrum at one end, the Load in the middle, and the Effort at the other end, it correctly describes a lever of the second class. - Levers are simple machines consisting of a rigid bar that pivots around a fixed point called the fulcrum. Forces are applied to the lever: the effort (the force applied by the user) and the load (the force exerted by the object being moved or worked on). - Levers are classified into three classes based on the relative positions of the fulcrum (F), the load (L), and the effort (E). - Class 1 Lever: F is between E and L (E - F - L or L - F - E). Examples: seesaw, crowbar. - Class 2 Lever: L is between F and E (F - L - E). Examples: wheelbarrow, nutcracker, bottle opener. - Class 3 Lever: E is between F and L (F - E - L). Examples: tweezers, fishing rod, forearm lifting a weight. - The question asks for a second-class lever. In a second-class lever, the Load is always located between the Fulcrum and the Effort. - Option A&#039;s description (&quot;Fulcrum at one end, Load in the middle, Effort at the other end&quot;) matches the configuration of a Class 2 lever (F - L - E). - Option B describes a Class 3 lever (F - E - L). - Option C describes a Class 1 lever (E - F - L or L - F - E, specifically F in the middle). - Option D&#039;s description is identical to Option A&#039;s. Without seeing the sketches, we rely on the description provided in the options. Assuming Sketch (a) corresponds to the description in A and is a visual representation of F-L-E, then A is correct.\" \/>\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\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following sketches correctly describes a lever of sec\" \/>\n<meta property=\"og:description\" content=\"Assuming Sketch (a) shows the configuration with the Fulcrum at one end, the Load in the middle, and the Effort at the other end, it correctly describes a lever of the second class. - Levers are simple machines consisting of a rigid bar that pivots around a fixed point called the fulcrum. Forces are applied to the lever: the effort (the force applied by the user) and the load (the force exerted by the object being moved or worked on). - Levers are classified into three classes based on the relative positions of the fulcrum (F), the load (L), and the effort (E). - Class 1 Lever: F is between E and L (E - F - L or L - F - E). Examples: seesaw, crowbar. - Class 2 Lever: L is between F and E (F - L - E). Examples: wheelbarrow, nutcracker, bottle opener. - Class 3 Lever: E is between F and L (F - E - L). Examples: tweezers, fishing rod, forearm lifting a weight. - The question asks for a second-class lever. In a second-class lever, the Load is always located between the Fulcrum and the Effort. - Option A&#039;s description (&quot;Fulcrum at one end, Load in the middle, Effort at the other end&quot;) matches the configuration of a Class 2 lever (F - L - E). - Option B describes a Class 3 lever (F - E - L). - Option C describes a Class 1 lever (E - F - L or L - F - E, specifically F in the middle). - Option D&#039;s description is identical to Option A&#039;s. Without seeing the sketches, we rely on the description provided in the options. Assuming Sketch (a) corresponds to the description in A and is a visual representation of F-L-E, then A is correct.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:28:13+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=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following sketches correctly describes a lever of sec","description":"Assuming Sketch (a) shows the configuration with the Fulcrum at one end, the Load in the middle, and the Effort at the other end, it correctly describes a lever of the second class. - Levers are simple machines consisting of a rigid bar that pivots around a fixed point called the fulcrum. Forces are applied to the lever: the effort (the force applied by the user) and the load (the force exerted by the object being moved or worked on). - Levers are classified into three classes based on the relative positions of the fulcrum (F), the load (L), and the effort (E). - Class 1 Lever: F is between E and L (E - F - L or L - F - E). Examples: seesaw, crowbar. - Class 2 Lever: L is between F and E (F - L - E). Examples: wheelbarrow, nutcracker, bottle opener. - Class 3 Lever: E is between F and L (F - E - L). Examples: tweezers, fishing rod, forearm lifting a weight. - The question asks for a second-class lever. In a second-class lever, the Load is always located between the Fulcrum and the Effort. - Option A's description (\"Fulcrum at one end, Load in the middle, Effort at the other end\") matches the configuration of a Class 2 lever (F - L - E). - Option B describes a Class 3 lever (F - E - L). - Option C describes a Class 1 lever (E - F - L or L - F - E, specifically F in the middle). - Option D's description is identical to Option A's. Without seeing the sketches, we rely on the description provided in the options. Assuming Sketch (a) corresponds to the description in A and is a visual representation of F-L-E, then A is correct.","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\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following sketches correctly describes a lever of sec","og_description":"Assuming Sketch (a) shows the configuration with the Fulcrum at one end, the Load in the middle, and the Effort at the other end, it correctly describes a lever of the second class. - Levers are simple machines consisting of a rigid bar that pivots around a fixed point called the fulcrum. Forces are applied to the lever: the effort (the force applied by the user) and the load (the force exerted by the object being moved or worked on). - Levers are classified into three classes based on the relative positions of the fulcrum (F), the load (L), and the effort (E). - Class 1 Lever: F is between E and L (E - F - L or L - F - E). Examples: seesaw, crowbar. - Class 2 Lever: L is between F and E (F - L - E). Examples: wheelbarrow, nutcracker, bottle opener. - Class 3 Lever: E is between F and L (F - E - L). Examples: tweezers, fishing rod, forearm lifting a weight. - The question asks for a second-class lever. In a second-class lever, the Load is always located between the Fulcrum and the Effort. - Option A's description (\"Fulcrum at one end, Load in the middle, Effort at the other end\") matches the configuration of a Class 2 lever (F - L - E). - Option B describes a Class 3 lever (F - E - L). - Option C describes a Class 1 lever (E - F - L or L - F - E, specifically F in the middle). - Option D's description is identical to Option A's. Without seeing the sketches, we rely on the description provided in the options. Assuming Sketch (a) corresponds to the description in A and is a visual representation of F-L-E, then A is correct.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:28:13+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/","name":"Which one of the following sketches correctly describes a lever of sec","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:28:13+00:00","dateModified":"2025-06-01T07:28:13+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Assuming Sketch (a) shows the configuration with the Fulcrum at one end, the Load in the middle, and the Effort at the other end, it correctly describes a lever of the second class. - Levers are simple machines consisting of a rigid bar that pivots around a fixed point called the fulcrum. Forces are applied to the lever: the effort (the force applied by the user) and the load (the force exerted by the object being moved or worked on). - Levers are classified into three classes based on the relative positions of the fulcrum (F), the load (L), and the effort (E). - Class 1 Lever: F is between E and L (E - F - L or L - F - E). Examples: seesaw, crowbar. - Class 2 Lever: L is between F and E (F - L - E). Examples: wheelbarrow, nutcracker, bottle opener. - Class 3 Lever: E is between F and L (F - E - L). Examples: tweezers, fishing rod, forearm lifting a weight. - The question asks for a second-class lever. In a second-class lever, the Load is always located between the Fulcrum and the Effort. - Option A's description (\"Fulcrum at one end, Load in the middle, Effort at the other end\") matches the configuration of a Class 2 lever (F - L - E). - Option B describes a Class 3 lever (F - E - L). - Option C describes a Class 1 lever (E - F - L or L - F - E, specifically F in the middle). - Option D's description is identical to Option A's. Without seeing the sketches, we rely on the description provided in the options. Assuming Sketch (a) corresponds to the description in A and is a visual representation of F-L-E, then A is correct.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-sketches-correctly-describes-a-lever-of-sec\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-2\/"},{"@type":"ListItem","position":3,"name":"Which one of the following sketches correctly describes a lever of sec"}]},{"@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\/89040","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=89040"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/89040\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=89040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=89040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=89040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}