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प्रश्न
Explain the following:
It is easier to turn a steering wheel with large diameter than a steering wheel with small diameter.
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उत्तर
संबंधित प्रश्न
A coolie does no work against the force of gravity while carrying a luggage on a road.
Work done = Force × ........................................
In which of the following cases, is work being done?
(i) A man pushing a wall.
(ii) a coolie standing with a load of 12 kgf on his head.
(iii) A boy climbing up a staircase.
A machine raises a load of 750 N through a height of 16 m in 5 s. calculate:
- energy spent by machine,
- power at which the machine works.
Explain by an example that a body may possess energy even when it is not in motion.
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.
How is horse power related to the S. I. unit of power?
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
