Advertisements
Advertisements
प्रश्न
Water stored in a dam possesses :
पर्याय
no energy
electrical energy
kinetic energy
potential energy
उत्तर
Water stored in a tank possesses gravitational potential energy because of its position above the ground.
Therefore, the answer is, (d) Potential energy.
संबंधित प्रश्न
A metal ball of mass 2 kg is allowed to fall freely from rest from a height of 5 m above the ground. Taking g = 10 m s-2, calculate:
- the potential energy possessed by the ball when it is initially at rest.
- the kinetic energy of the ball just before it hits the ground?
State whether the object possess kinetic energy, potential energy, or both :
A bird running on the ground ____________.
What kind of energy is possessed by the following?
A compressed spring ____________.
What are the various forms of energy?
Name the device or machine which convert :
Electrical energy into light energy.
What kind of energy transformation take place at a hydroelectric power station?
What kind of energy transformations take place at a coal-based thermal power station?
How much electrical energy in joules does a 100 watt lamp consume : in 1 second?
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. The work done against the gravitational force will be (g = 10 m s–2)
A body of mass 10 kg falls from a height of 20 m to 8 m. Calculate:
- the loss in potential energy of the body, and
- the total energy possessed by the body at any instant? (Take g = 10 m s-2)
