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प्रश्न
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
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उत्तर
Yes, a body possesses energy even when it is not in motion ;
Consider a body raised to a certain height say h. It its velocity is zero. Kinetic energy will be zero but the body will have.
P.E. = mgh
Thus, a body may possess energy even though it is not in motion.
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संबंधित प्रश्न
Give one example to show the conversion of potential energy to kinetic energy when put in use.
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
State the energy changes in the following case while in use:
an electric toaster.
Select the renewable and non-renewable sources of energy from the following:
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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.
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
Name the form of energy in which potential energy can change.
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