Question

Find the magnitude of the net force on a 20 kg mass if it accelerate uniformly from 2.5 m/s to 5.8m/sin 3s​

Answer 1

u=2.5 m/s

v=5.8m/s

t=3s

a=1.1 m/s²

mass=20 kg

force=20 (1.1)kg.m/s²

=22kg. m/s²