Question

force of 4 newton is applied on a body of mass 20 kilogram the work done in 3 second is​

Answer 1

Explanation:

F=ma

4=20×a

a=0.2m/s^2

u=0

a=v-u/t

0.2=v-0/3

v=0.6m/s

W=1/2mv^2

W=1/2×20×0.6×0.6

3.6 joule