Question

a body whose mass is 6 kg is acted on by a force which changes its velocity from 3 m s-1 to 5 m s-1.find the impluse of the force.if the force is acted for 2 seconds ,find the force in newton

Answer 1

F= mass x rate of change in velocity
F= 6 x (5-3)/2= 6N
Impulse= F x t= 6x2 =12 N.s