If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be……..
a) maximum
b) minimum
c) zero
d) none of these
If the velocity of a body becomes double, then its kinetic energy will……….
a) remain the same
b) become double
c) become four times
d) become half
The energy stored in coal is
a) heat energy
b) kinetic energy
c) nuclear energy
d) chemical energy
