Question

when a car of Mass 1500kg is pushed on road by 2 person it move with uniform velocity on the other hand if this ca is pushed by 3 person it face a small acceleration of 0.2m/s2 assuming all person apply same force then find force of friction

Answer 1

here

mass = 1500kg
let each guy exerts force F
total push = 2F

When three person push,total force applied =F+F+F=3F
Force that produces acceleration (a = 0.2m/s2)

 F = ma = 1500 x 0.2 = 300 N

hope it helped

Answer 2

mass = 1500kg
Push = 2F
total force applied =F+F+F=3F
A = 0.2m/s2)
F = ma = 1500 x 0.2
= 300 N