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प्रश्न
Explain the difference between a uniform linear motion and a uniform circular motion.
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उत्तर
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संबंधित प्रश्न
The S.I. unit of work is
When does a force perform work?
A body, when acted upon by a force of 10 kgf, moves to a distance 0.5 m in the direction of force. Find the work done by the force. Take 1 kgf = 10 N.
Differentiate between energy and power.
Is work done a scalar or a vector physical quantity?
A machine raises a load of 750 N through a height of 16 m in 5s. calculate:
(i) work done by machine,
(ii) power at which the machine works.
State larger units of power.
Calculate the work done when:
A 5 kg weight is lifted 10 m vertically. (g = 9.8 m/s2)
An electric motor of power 100 W is used to drive the stirrer in a water bath. If 50% of the energy supplied to the motor is spent in stirring the water. Calculate the work done on the water in one minute.
