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प्रश्न
Give one example of a body that has potential energy, due to its position at a height.
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उत्तर
Water at height has P.E. stored in it. Falling water from a height can be used to do work like turning a wheel.
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संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the ground.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
What is a solar cell?
What is hydro energy?
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
Give one example when:
Electric energy changes to sound energy.
A ball of mass 50 g falls from a height of 2m and rebounds from the ground to 1.6 m. Find:
(i) The potential energy possessed by the ball when initially at rest.
(ii) The kinetic energy of the ball before it hits the ground.
(iii) The final potential energy of the ball.
(iv) The loss in kinetic energy of the ball on collision. (Take: g = 10N kg−1)
Can you tell?
What are the various forms of energy?
