Science Questions

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:

Mechanical energy is the sum of:

Water stored in a dam possesses:

When velocity of a body is halved, its KE becomes:

Unit of energy in the FPS system is:

A body of mass 1 kg is at a height of 1 m. Its PE is (g=10 m/s^2):

Which of the following does not possess kinetic energy?

Work done by a centripetal force is always:

The energy possessed by wind is:

Solar panels convert light energy into:

An object of mass 5 kg is raised through a height of 10 m. What is the work done? (take g=9.8 m/s^2)