Advertisements
Advertisements
प्रश्न
What are the uses of mechanical energy?
Advertisements
उत्तर
- In hydroelectric plants, the kinetic energy of water is converted into electrical energy.
- Windmills convert the kinetic energy of winds into electrical energy.
- The mechanical energy of the hammer is used to apply a force to a nail.
- Mechanical energy can bring a moving body to rest and make a body at rest move.
APPEARS IN
संबंधित प्रश्न
When a boy doubles his speed, his kinetic energy becomes
What is the kinetic energy of a body of mass 1 kg moving with a speed of 2 m/s?
How does the kinetic energy of a moving body depend on its (i) speed, and (ii) mass?
A ball of mass 200 g falls from a height of 5 metres. What is its kinetic energy when it just reaches the ground? (g = 9.8 m/s2)
What do you understand by the kinetic energy of a body?
Which of the following does not posses the ability to do work not because of motion?
Explain the types of mechanical energy.
The energy possessed by a cricket ball bowled by a player is ______.
When a bell fixed on a cycle rings, then the energy conversion that takes place is ______.
Find the kinetic energy of a body of mass 5 kg moving with a uniform velocity of 10 m s-1.
