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प्रश्न
Name the forms of energy which a wound-up watch spring possesses.
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उत्तर
Elastic potential energy is possessed by wound up watch spring
संबंधित प्रश्न
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
State two conditions when no work is done by a force.
State two factors on which the work done on a body depends.
Differentiate between energy and power.
Choose one or more correct alternatives.
For work to be performed, energy must be ______.
- transferred from one place to another
- concentrated
- transformed from one type to another
- destroyed
When you move upstairs, do you perform some work?
Is power a scalar quantity?
Name the type of energy possessed by a
(i) stretched catapult (ii) hot iron
(iii) wound up clock
A water pump raises 50 kg of water through a height of 25 m in 5s. Calculate the power supplied by the pump (Take: g = 10 N kg−1).
A body of mass 0.5 kg travels on straight line path with velocity v = (3x2 + 4) m/s. The net work done by the force during its displacement from x = 0 tox = 2 m is ______.
