{"id":8371,"date":"2024-04-15T02:59:30","date_gmt":"2024-04-15T02:59:30","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=8371"},"modified":"2024-04-15T02:59:30","modified_gmt":"2024-04-15T02:59:30","slug":"a-four-wheel-truck-or-whose-operating-weight-is-12000-kg-is-pulled-along-a-road-having-a-rising-slope-of-2-at-a-uniform-speed-assume-grade-resistance-factor-10-kg-tonne-the-tension-in-the-tow-cabl","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/a-four-wheel-truck-or-whose-operating-weight-is-12000-kg-is-pulled-along-a-road-having-a-rising-slope-of-2-at-a-uniform-speed-assume-grade-resistance-factor-10-kg-tonne-the-tension-in-the-tow-cabl\/","title":{"rendered":"A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg\/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be A. 20 kg\/tonne B. 30 kg\/tonne C. 40 kg\/tonne D. 50 kg\/tonne"},"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_6a9928a6d0122\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    20 kg\/tonne                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    30 kg\/tonne                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    40 kg\/tonne                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    50 kg\/tonne                <\/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 B. 30 kg\/tonne.<\/p>\n<p>The grade resistance factor is the force per tonne of weight that is required to overcome the resistance of the road surface. The <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 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> tension in the tow cable is the total force required to pull the truck up the hill. The rolling resistance of the road is the force per tonne of weight that is required to overcome the friction between the tires and the road surface.<\/p>\n<p>To calculate the rolling resistance of the road, we can use the following equation:<\/p>\n<p>Rolling resistance = Tension in the tow cable \/ (Operating weight \/ 1000)<\/p>\n<p>= 720 \/ (12000 \/ 1000)<\/p>\n<p>= 30 kg\/tonne<\/p>\n<p>Therefore, the rolling resistance of the road is 30 kg\/tonne.<\/p>\n<p>Option A is incorrect because it is the grade resistance factor. The grade resistance factor is the force per tonne of weight that is required to overcome the resistance of the road surface.<\/p>\n<p>Option C is incorrect because it is the tension in the tow cable. The tension in the tow cable is the total force required to pull the truck up the hill.<\/p>\n<p>Option D is incorrect because it is the sum of the grade resistance factor and the rolling resistance of the road. <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> The grade resistance factor and the rolling resistance of the road are two different forces.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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":[655],"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 four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. 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