Question

A car of mass 2400 kg moving with a velocity of 20m/s is stopped in 10 sec on applying brakes calculate the retardation and the retarding forcentre

Answer 1

m=2400 kg
v=20m/s
t=10s
a = v-u/t

=-20/10

=-2m/s^2

F = ma

=2400 * -2m/s^2

=-4800N

Answer 2

It is so simple like this
Hope it helps you