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प्रश्न
Fill in the blanks with suitable words :
One watt is a rate of working of one ___________ per ___________.
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उत्तर
One watt is a rate of working of one joule per second.
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संबंधित प्रश्न
Define 1 watt of power.
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How much is the mass of a man if he has to do 2500 joules of work in climbing a tree 5 m tall? (g = 10 m s−2)
What is the power of a body which is doing work at the rate of one joule per second?
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Define power. Give the SI unit of power.
In loading a truck, a man lifts boxes of 100 N each through a height of 1.5 m. (g = 10 m s−2)
- How much work does he do in lifting one box?
- How much energy is transferred when one box is lifted?
- If the man lifts 4 boxes per minute, at what power is he working?
In loading a truck, a man lifts boxes of 100 N each through a height of 1.5 m.
If the man lifts 4 boxes per minute, at what power is he working?
(g = 10 m s−2)
