{"id":5669,"date":"2024-04-15T02:17:02","date_gmt":"2024-04-15T02:17:02","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5669"},"modified":"2024-04-15T02:17:02","modified_gmt":"2024-04-15T02:17:02","slug":"a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/","title":{"rendered":"A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$"},"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_6a99ffc419883\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    $$\frac{{omega {l^2}}}{{4{\text{h}}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    $$\frac{{omega {l^2}}}{{8{\text{h}}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    $$\frac{{omega {l^2}}}{{12{\text{h}}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    $$\frac{{omega {l^2}}}{{16{\text{h}}}}$$                <\/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 $\\boxed{\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}}$.<\/p>\n<p>The horizontal thrust is the force that the arch exerts on the supports at its ends. It is equal to the total load on the arch divided by the rise of the arch.<\/p>\n<p>The load on the arch is a uniform load of $\\omega$ per unit run, which means that the total load is $\\omega l$. The rise of the arch is $h$.<\/p>\n<p>The horizontal thrust is therefore:<\/p>\n<p>$$T = \\frac{\\omega l}{h} = \\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$<\/p>\n<p>The other options are incorrect because they do not <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                    <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 <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> 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> divide the total load by the rise of the arch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel 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":[639],"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>A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$<\/title>\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-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$\" \/>\n<meta property=\"og:description\" content=\"Join Our Telegram Channel Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:17:02+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 two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$","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-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/","og_locale":"en_US","og_type":"article","og_title":"A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$","og_description":"Join Our Telegram Channel Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:17:02+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-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/","url":"https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/","name":"A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:17:02+00:00","dateModified":"2024-04-15T02:17:02+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/a-two-hinged-parabolic-arch-of-span-l-and-rise-h-carries-a-load-varying-from-zero-at-the-left-end-to-omega-per-unit-run-at-the-right-end-the-horizontal-thrust-is-a-fracomega-l2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Civil engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/"},{"@type":"ListItem","position":4,"name":"Theory of structures","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/theory-of-structures\/"},{"@type":"ListItem","position":5,"name":"A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\\omega $$ per unit run at the right end. The horizontal thrust is A. $$\\frac{{\\omega {l^2}}}{{4{\\text{h}}}}$$ B. $$\\frac{{\\omega {l^2}}}{{8{\\text{h}}}}$$ C. $$\\frac{{\\omega {l^2}}}{{12{\\text{h}}}}$$ D. $$\\frac{{\\omega {l^2}}}{{16{\\text{h}}}}$$"}]},{"@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\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?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\/5669"}],"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=5669"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/5669\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=5669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=5669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=5669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}