Question

a force of 80 n acting on a certain mass for 3 seconds gives a velocity of 6 metre per second find the mass of the body if the body was initially at rest​

Answer 1

Answer:

given

f=80 n

v=6 m/s

t=3 s

u=0

v=u+at

6=3a

a=6/3

a=2m/s^2

f=ma

80 n=2m

m=80/2

m=40 kg