Work Energy

What is the energy conversion in a microphone?

The work done by a force of 10 N in moving an object through a distance of 2 m at an angle of 60 degrees is:

Which of the following does not possess kinetic energy?

An object of mass 1 kg has a kinetic energy of 1 Joule. Its speed is:

The power of a motor which can lift 600 kg of water through a height of 20 m in 1 minute is: (g = 10 m/s^2)

Energy stored in food is in the form of:

When a body is moving on a friction-less horizontal surface, work done by gravity is:

If the momentum of a body is increased by 100%, its kinetic energy will increase by:

Which of the following is not a unit of power?

What is the work done by a person who holds a 10 kg weight at a height of 2 m for 5 minutes?

An electric bulb of 60 W is used for 10 hours daily. How many 'units' of energy are consumed in 30 days?

If a body is moved through a distance s by a force F, the work done W is given by:

A girl of mass 40 kg runs up a flight of 50 steps, each 10 cm high. The work done by her is: (g = 10 m/s^2)

The energy of a body due to its motion is:

If the kinetic energy of a body becomes 9 times its initial value, its momentum becomes:

The kinetic energy of a body of mass 2 kg moving with a velocity of 2 m/s is:

Which of the following is NOT a form of energy?

A stone of mass 5 kg is dropped from a height of 10 m. What is its kinetic energy just before hitting the ground? (g = 10 m/s^2)

The unit of energy in the FPS system is:

How much work is done when a force of 5 N moves an object through 10 cm in the direction of the force?