Question

An object at rest speeds up to 80 m/s in 8 seconds . if the mass of the object is 20 kg, what is the force on the object

Answer 1

Answer:

U=0

V=80m/s

t=8sec

a=V-U/t

a=-80/8

a=-10m/s

F=m×a

F=20×10

F=200Newtons