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प्रश्न
State the energy changes which take place when:
A car moves up a hill.
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उत्तर
The kinetic energy of moving car changes to potential energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
Explain the principle of generating electricity from hydro energy.
Name the energy changes for the following:
pendulum
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
Give two examples each of renewable and non-renewable sources of energy?
State the energy changes which take place when:
Electricity obtained from nuclear energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
Can you tell?
Describe one natural chain of transformation of energy.
A good fuel should possess:
