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प्रश्न
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
उत्तर
Potential Energy.
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संबंधित प्रश्न
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
State the energy changes in the following case while in use:
an electric toaster.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
State the energy changes which take place when:
A body released from rest from the top of a building.
State the energy changes which take place when:
In a heat engine.
State the energy changes which take place when:
A car moves up a hill.
Give one example when:
Electric energy changes to potential energy.
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
