Question

A constant force acts on a body of mass 0.9 kg at rest for 10 sec. if the body moves a distance of 250 m the magnitude of the force is(with stepwise)

Answer 1

F=ma

First we find the value of a

S=Vit+1/2at2

250=0+1/2a(10)2

2×250=a(100)

500/100=a

a=5m/s2

Now

F=0.9(5)

F=4.5