Question

a cricket ball of mass 0.2kg moving with a velocity of 20m/s is brought to rest in 0.4s. find the average force

Answer 1

a = V - U / T

= 0 - 20 / 0.4

= -20 /0.4

= -200 / 4 = -50 m/s^2

F = ma

= 0.2 * -50

= - 10 N.

Answer 2

Hope this will help you