RRB Technician Grade 3 practice question
A force of 20 N moves a box through 5 m in the direction of the force. How much work is done?
From a RRB Technician Grade 3 Science practice set · Science
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Correct answer: (C) 100 J
Work = force × displacement = 20 N × 5 m = 100 J. One joule is the work done when a force of one newton moves an object one metre in its own direction.
हिंदी में प्रश्न
20 N का बल एक डिब्बे को बल की दिशा में 5 m खिसकाता है। कितना कार्य किया गया?
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सही उत्तर: (C) 100 J
कार्य = बल × विस्थापन = 20 N × 5 m = 100 J। एक जूल वह कार्य है जब एक न्यूटन बल किसी वस्तु को अपनी दिशा में एक मीटर खिसकाता है।
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