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प्रश्न
What do you understand by the kinetic energy of a body?
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उत्तर
A body in motion is said to possess the kinetic energy. The energy possessed by a body by virtue of its state of motion is called the kinetic energy.
संबंधित प्रश्न
What is nuclear energy?
State two factors on which the kinetic energy of a moving body depends.
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
How is wind energy used to produce electricity?
Give two examples each of renewable and non-renewable sources of energy?
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
State the energy changes which take place when:
A magnesium ribbon burns in air.
Give one example when:
Heat energy changes to kinetic energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
