Question

A car of mass 1000kg moving with velocity 36km/s comes to rest in 5 seconds. what is the force external on the car.​

Answer 1

Explanation:

2000N

mass=1000kg

velocity=36 km/h=10m/s

time=5sec

p(momentum) if time given=mv/t

=1000×10÷5

=200×10

=2000N