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CBSE Class 9 Science Question 8 of 25

Force and Laws of Motion — Question 4

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Question

Question 4

A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because

  1. the batsman did not hit the ball hard enough.
  2. velocity is proportional to the force exerted on the ball.
  3. there is a force on the ball opposing the motion.
  4. there is no unbalanced force on the ball, so the ball would want to come to rest.
Answer

there is a force on the ball opposing the motion.

Reason — When the ball rolls on a level ground, its motion is opposed by the force of friction (the friction arises between the ground and the ball). This frictional force eventually stops the ball.