JEE Main 2021PhysicsWork Power EnergyMediumNumerical

JEE Main 2021 — Work Power Energy Question with Solution

JEE Main 2021 (27 Aug Shift 1)

Question

Two persons A and B perform same amount of work in moving a body through a certain distance d with application of forces acting at angles 45° and 60° with the direction of displacement respectively. The ratio of force applied by person A to the force applied by person B is 1x. The value of x is _________.

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Show full solutionCorrect answer: 2
Correct answer
2

Step-by-step explanation

Given, W1=W2 and, we know that work done is a scalar quantity it means, F1Scos45°=F2Scos60°⇒F1F2=12=1x⇒x=2.

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About this question

This is a previous-year question from JEE Main 2021, covering the Work Power Energy chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.