Question

A body of mass 20 kg moves with an acceleration of 2 m/s2. the rate of change of momentum in si unit is:

Answer 1

40kg.m/s 8s the rate of change of momentum

Answer 2

The rate of change of momentum is nothing but the force.

So, $\frac{P}{T}  = ma = 20X2=40 kg \frac{m}{s}$