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प्रश्न
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उत्तर
When the head of a nail is struck with a hammer, the mechanical energy of the hammer pushes the nail into the plank of wood and in this process a part of energy is converted into heat energy.
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संबंधित प्रश्न
What is nuclear energy?
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
What kind of energy is possessed in a situation when?
Water stored in dams.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
State the energy changes which take place when:
A magnesium ribbon burns in air.
Give one example when:
Heat energy changes to kinetic energy.
Give one example when:
Electric energy changes to sound energy.
Give one example when:
Potential energy changes to electric energy.
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
