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प्रश्न
Complete the following sentences:
The SI unit of work is ....... and of power is .......
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उत्तर
The SI unit of work is joule and of power is watt
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संबंधित प्रश्न
How much energy is gained by a box of mass 20 kg when a man, carrying the box waits for 5 minutes for a bus?
How much work is done when a body of mass m is raised to a height h above the ground?
If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?
A woman pulls a bucket of water of total mass 5 kg from a well which is 10 s. calculate the power used by her.
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(a) Calculate the work done by the force in moving the block from A and B.
(b) Calculate the potential energy gained by the block.
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