Question

MCQ : A cricket player catches a ball of mass 0.1 kg moving with a speed of 10 m/s in 0.1 s. The force exerted by him is

  • Force and Motion
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Answer

Question

A cricket player catches a ball of mass 0.1 kg moving with a speed of 10 m/s in 0.1 s. The force exerted by him is

  1. 10 N
  2. 5 N
  3. 2 N
  4. 1 N

Answer

10 N

Explanation

F = Δp/t

F = m(v-u)\over t

F = 0.1 \times (0-10)\over 0.1

F = -10 N

The negative sign indicates that the force is in the opposite direction to the motion of the ball.

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