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प्रश्न
Give an example
Electrical energy changes of sound energy.
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उत्तर
Electric bell
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संबंधित प्रश्न
What is the work done by the moon when it revolves around the earth?
State the law of conservation of energy.
Fill in the blank with suitable word :
Work is measured as a product of __________ and __________
Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
A boy does work when he pushes against a brick wall. (yes/no).
A weight lifted a load of 200 kgf to a height of 2.5 m in 5 s. calculate: (i) the work done, and (ii) the power developed by him. Take g= 10 N kg-1.
Fill in the boxe to show the corresponding energy transformation.
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
If a ball is dropped on the sloping roof of a house, it acquires ______ and falls on the ground. That is the transformation of ______ energy into ______ energy takes place.
(kinetic, potential, motion)
