Energy Test - 6...

When heated, molecules absorb ____ and their capacity to do ____ increases.

1 kilowatt hour is equal to-

the unit of energy will increases by what If the values of force and length are increased four times -

The physical quantity electron volt (e V) measure-

The value of 1 calorie in joules is-

A body can have when it is at rest- 

What will be working done by when a woman walks on a horizontal surface -

The potential energy of a body of mass 5 kg kept at a height of 10 m is-

The energy generated in stars is due to-

What will be the work done by the external forces on a system equal change in-

A body has a potential energy of 800 J of mass 2 kg when it is at a certain height. If it begins to fall, its velocity when its Kinetic energy and Potential energy are equal to what?

Unit of energy is in CGS term-

All of these are the unit of energy except-

\(k g m^{2} s^{-2}\) represents the unit of

Find the best definition for energy.