Work and Energy Quiz 3

If work has positive value, the body on which the work has been done would...... energy.

If work has negative value, the body on which the work has been done would ……energy

The capacity of doing work by an object depends on ……… and ......of the object which is doing work

When work is done, energy will be ……… from one object to other.

The biggest natural and primary source of energy for us is the ……………

The energy possessed by an object due to its motion is called …… energy.

The numerical expression for kinetic energy is K.E. = ………

P.E. = ……

In an iron box ……… energy converts into ………… energy.

Power = ………

The unit of power is ………

If the displacement of the object is in the direction opposite to the direction of force applied, then the work done is ……

Work (W) = …………

Mechanical energy = ………

Kinetic energy of an object increases with its ………