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Question: Answered & Verified by Expert

A yo-yo is placed on a rough horizontal surface and a constant force F, which is less than its weight, pulls it vertically. Due to this

      

PhysicsRotational MotionNEET
Options:
  • A friction force acts towards left, so it will move towards left
  • B friction force acts towards right, so it will move towards right
  • C it will move towards left, so friction force acts towards left
  • D it will move towards right so friction force acts towards right
Solution:
1966 Upvotes Verified Answer
The correct answer is: friction force acts towards left, so it will move towards left
F will provide anticlockwise torque about the centre due to which the bottommost point will tend to move towards right, so friction will act towards left. Hence it will move towards the left.

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