Work Energy

When a body falls freely towards the earth, its total energy ____.

The energy stored in a stretched spring is called:

What happens to the kinetic energy of an object if its velocity is doubled?

Work done is zero when the angle between force and displacement is:

Power is defined as:

Which device converts electrical energy into mechanical energy?

The capacity of a body to do work is called:

If a force of 10 N moves a body through 2 m, the work done is:

Which of the following is a non-renewable source of energy?

The energy possessed by a body due to its motion is:

1 Joule is equal to:

A girl carrying a heavy bag on her head stands still for 10 minutes. The work done by her is:

What is the unit of power in CGS system?

Which form of energy is possessed by a flying bird?

The commercial unit of energy is:

In which of the following cases is work done negative?

The energy of the sun is due to:

What is the relation between 1 Joule and 1 Erg?

If a machine does 500 J of work in 10 seconds, its power is:

Chemical energy is stored in: