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प्रश्न
How is kinetic energy possessed by a moving body measured?
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उत्तर
The kinetic energy possessed by a moving body is measured by the amount of work done by an opposing force in bringing the body to rest from its present state of motion.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
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A stretched rubber band.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
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electric ball
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(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
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