Question

a truck of mass 800kg starts from rest and rolls down a hill with uniform acceleration.it travels a distance 400m in 20sec.find acceleration and force​

Answer 1

Answer:

M=800KG

S=400M

T=20SEC

A=?

F=?

Explanation:

S=VIT+1/2AT²

400×2=AT²

800÷20²=A

800/400=A

2M/S²=A

F=MA

F=800×2

F=1600N