{"id":6735,"date":"2024-04-15T02:33:22","date_gmt":"2024-04-15T02:33:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6735"},"modified":"2024-04-15T02:33:22","modified_gmt":"2024-04-15T02:33:22","slug":"for-a-non-concurrent-force-system-to-be-in-equilibrium-a-only-the-closure-of-force-polygon-is-sufficient-b-only-the-closure-of-funicular-polygon-is-sufficient-c-both-force-polygon-and-funicular-pol","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/for-a-non-concurrent-force-system-to-be-in-equilibrium-a-only-the-closure-of-force-polygon-is-sufficient-b-only-the-closure-of-funicular-polygon-is-sufficient-c-both-force-polygon-and-funicular-pol\/","title":{"rendered":"For a non-concurrent force system to be in equilibrium A. Only the closure of force polygon is sufficient B. Only the closure of funicular polygon is sufficient C. Both force polygon and funicular polygon must close D. None of the above"},"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_6a9c2e4364100\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Only the closure of force polygon is sufficient                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Only the closure of funicular polygon is sufficient                <\/div>\r\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    None of the above                <\/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>C. Both force polygon and funicular polygon must close.<\/strong><\/p>\n<p>A force polygon is a graphical representation of a system of forces. The forces are represented by arrows, and the sum of the forces is represented by a closed polygon. A funicular polygon is a graphical representation of the equilibrium of a system of forces. The forces are represented by strings, and the strings are in equilibrium when they form a closed polygon.<\/p>\n<p>For a non-concurrent force system to be in equilibrium, the force polygon and the funicular polygon must both close. This is because the sum of the forces must be zero, and the forces must be in equilibrium.<\/p>\n<p>Option A is incorrect because the closure of the force polygon is not sufficient for equilibrium. The funicular polygon must also close.<\/p>\n<p>Option B is incorrect because the closure of the funicular polygon is not sufficient for equilibrium. The force polygon <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> must also close.<\/p>\n<p>Option D is incorrect because both the force polygon and the funicular polygon must close for a non-concurrent force system to be in equilibrium.<\/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":[645],"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>For a non-concurrent force system to be in equilibrium A. 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