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NEET2023PhysicsCenter of Mass, Momentum and CollisionActual

A 1 ~kg object strikes a wall with velocity 1 ~ms ⁻¹ at an angle of 60^ with the wall and reflects at the same angle. If it remains in contact with wall for 0.1 ~s , then the force exerted on the wall is

Options

  1. A10 3 ~N
  2. B20 3 ~N
  3. C30 3 ~N
  4. DZero

Correct answer

A. 10 3 ~N

Step-by-step solution

aligned & F= p t & p=2 m v 30^ & =2 1 3 2 = 3 & F= 3 0.1 =10 3 ~N aligned

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