Curated PYQ Collection
Work power and energy
Showing 298 questions & PYQs organized by topics.
Work power and energy
Mechanics
10 Topics
01
A 50 kg boy climbs 43 stairs in 10 seconds. Each stair…
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02
Which of the following is a formula for electrical power?
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03
If a man does work W in time t, what is his…
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04
A person does 50 J of work in 10 seconds. Find the…
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05
What is the formula for power?
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06
A machine does 500 J of work in 4 seconds. Find its…
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07
In Power = W/T, what does W mean?
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08
A boy holds a 4 kg schoolbag stationary for 30 seconds. Find…
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09
One kilowatt of power equals:
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10
Which physical quantity measures the rate of doing work?
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