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प्रश्न
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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.
What is the work done by the moon when it revolves around the earth?
Power spent by a body depends on the time for which it does work.
The S.I. unit of energy is .............
A max X goes to the top of a building by a vertical spiral staircase. Another man Y of the same mass goes to the top of the same building by a slanting ladder. Which of the two does more work against gravity and why?
The velocity of a car increases from 54 km/hr to 72 km/hr. How much is the work done if the mass of the car is 1500 kg?
Name the force acting away from the centre of circular path.
What do you understand by 'potential energy' and 'Kinetic energy'? Give three examples of each to illustrate your answer.
In the following case write yes, if the work is being done and no if no work is being done.
A boy climbing up a staircase.
