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Question: Answered & Verified by Expert
A ring of mass 5 kg sliding on a frictionless vertical rod connected by a block B of mass 10 kg by the help of a massless string. Then at the equilibrium of the system the value of θ is

PhysicsLaws of MotionNEET
Options:
  • A 30°
  • B 60°
  • C 90°
  • D 0°
Solution:
2877 Upvotes Verified Answer
The correct answer is: 60°
For ring,




From force diagram of ring,

Tcosθ=m1g ......(i)

For block B

mg=T........ (ii)

Tcosθ=m1g

mgcosθ=m1g

cosθ=m1m=510=12

θ=60°

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