Question

The force 6n acts on a body of mass 2 kg at rest. During this time body attains velocity of 30 m/s the time for which the force act on a body is

Answer 1

Answer:

F=6N

u= 0 m/s

m=1kg

V=30 m/s

t=?

F=ma=m(v-u)/t

t= m(v-u)/F= 1x (30-0)/6

=30/6= 5 sec