JEE Main 2024PhysicsLaws of MotionMediumMCQ

JEE Main 2024 — Laws of Motion Question with Solution

JEE Main 2024 (30 Jan Shift 1)

Question

All surfaces shown in figure are assumed to be frictionless and the pulleys and the string are light. The acceleration of the block of mass 2 kg is:

Choose an option

Show full solutionCorrect option: B
Correct answer
Bg3

Step-by-step explanation

For 4 kg block:

40-2T=4a⇒T=20-2a

For 2 kg block:

T-10=4a⇒20-2a-10=4a⇒10=6a⇒a=106=g6 m s-2

Acceleration of the block of mass 2 kg, 2a=g3 m s-2.

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About this question

This is a previous-year question from JEE Main 2024, covering the Laws of Motion 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.