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प्रश्न
Give one example of a body that has potential energy, in due to its state.
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उत्तर
A wound-up watch spring holds potential energy since its coils are wound up.
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संबंधित प्रश्न
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
What is hydro energy?
State the energy transformation on the following:
Electricity is obtained from wind energy.
Name the energy changes for the following:
pendulum
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
Write the type of energy possessed in the following case:
A falling apple
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
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)
The solar cooker is an application of the ______ energy of the sun, while solar cells, solar lamps are applications of the ______ energy of the sun.
Use your brain power!
Why do tablets of camphor decrease in size day by day?
