Question

A constant force act on object mass 5 kg for a duration of 2s it increase the object velocity from 3m/s to 7 m/s. Find the magnitude of the force were applied duration of 5s. What could be the final velocity of the object

Answer 1

Since it is a constant force acting on a body of mass 5kg for 2s . Therefore causing a change of 4m/s (7m/s-3m/s ) in 2s Therefore acceleration =7-3/2= 2m/s^2  F=MA F=5×2=10N