PHYSICS MCQs FOR NEET - IIT JEE EXAMINATION (SET-6)
Topics Covered: Work, Power and Energy
Q1: A bullet is fired from a rifle, If the rifle recoils freely, then the kinetic energy of the rifle will be:
(a) same as that of bullet
(b) more than that of bullet
(c) less than that of bullet
(d) none of these
Q2: A body of mass 2 kg, initially at rest, is acted upon simultaneously by two forces, one of 4N and the other of 3N, acting at right angles to each other. The work done by the body after the 20s is
(a) 500 J
(b) 1250 J
(c) 2500 J
(d) 5000 J