Question

bus of mass 4000 kg starts from rest and Rolls down a hill with constant acceleration if it travels a distance of 800 m in 10 seconds find its acceleration

Answer 1

Here u = 0

s = ut + 1/2 at² = 1/2 at²

800 = 1/2 a * 100

a = 16 m/s²

F = ma = 4 * 1000 * 16

= 64000 N