Question

18. Use Newton's second law of motion to explain the
following:
(a) A cricketer pulls his hands back while catching
a fast moving cricket ball.
(b) An athlete prefers to land on sand instead of
hard floor while taking a high jump.​

Answer 1

Sir Isaac Newton invented Newton's disc

Answer 2

1) A Cricketer pulls his hand back while catching a fast moving cricket ball because to increase the time. As time increase the rate of change of momentum decrease and the force acting on hands is reduced

2) An athlete prefers to land on a sand instead of hard floor while taking ahigh jump because for some distance his feet pushes the sand hence the time period on which the feet come to increased consequently he is saved from getting hurt