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Question: Answered & Verified by Expert
In the figure shown, all surfaces are smooth. Acceleration of mass '4m', when the system Is released from rest will be

PhysicsLaws of MotionNEET
Options:
  • A 2g9
  • B 4g9
  • C 2g3
  • D g3
Solution:
2961 Upvotes Verified Answer
The correct answer is: 4g9
Tension in the string will be T everywhere



mg-T=may ...(i)

2T=5max ...(ii)

Also, -ax-ax+ay=0

or ay=2ax ...(iii)

Solving (i), (ii), (iii)

ax=2g9

ay=4g9

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