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प्रश्न
________ is said to be done when a force is acting on it.
विकल्प
Ramp
Simple machines
Work
Energy
Pulley
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उत्तर
Work is said to be done when a force is acting on it.
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संबंधित प्रश्न
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
Derive a relationship between S.I. and C.C.S. unit of work
A boy of mass 40 kg climbs up the stairs and reaches the roof at a height 8 m in 5 s. Calculate:
- the force of gravity acting on the boy,
- the work done by him against the force of gravity,
- the power spent by boy. (Take g = 10 m s-2)
Is work done a scalar or a vector physical quantity?
A man carrying a suitcase in his hand is walking horizontally. What is the work done against gravity?
Complete the following sentences:
The SI unit of work is ....... and of power is .......
How is horse power related to the S. I. unit of power?
What is the difference between renewable and non-renewable resources?
Who is the odd one out?
