Question

What would be the force required to stop the car of mass 1000kg and a loaded truck of mass 10000kg in 2sec if they were moving with the same velocity of 5m/sec

Answer 1

For 100kg
F = mv/t
F = 1000*5/2
F = 2500 N

For 1000kg
F = mv/t
F = 10000 * 5/2
F = 25000 N