Question

An iron ball of mass 20kg is rolling on a flat surface . On applying force , the velocity changes from 17m/s to 27m/s in 5s. Calculate the magnitude of the force​

Answer 1

Answer:

A=v-u/ t

v=27

u=17

t=5

a=27-17/5 =2

F=M*A

F=20*2=40 Newton