Question

For how long should à force of 100 N act on a body of 20 kg so that it acquires a velocity of
How long will it take a force of 10 N to stop a mass of 2.5 kg which is moving at 20 m/s?
The velocity of a body of mass 10 kg increases from 4 m/s to 8 m/s when a force acts on it​

Answer 1

ANSWER

a=mF=20100=5m/s2

v=u+at

100=0+5×t

∴t=5100=20sec