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प्रश्न
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
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उत्तर
The kinetic energy changes to potential energy.
संबंधित प्रश्न
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Name three non-renewable sources of energy.
What is solar energy?
State two uses of solar cells.
State the energy transformation on the following:
Electricity is obtained from hydro energy.
Write the type of energy possessed in the following case:
A bent bow
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
A girl of mass 35 kg climbs up from the first floor of a building at a height 4 m above the ground to the third floor at a height 12 m above the ground. What will be the increase in her gravitational potential energy? [g = 10 ms-2]
Can you tell?
What are the various forms of energy?
