Work, Energy and Power

Related Questions

• A 60 kg man runs up a staircase in 12 seconds while a 50 kg man runs up the same staircase in 11, seconds, the ratio of the rate of doing their work is

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• Two springs have their force constant as ${k_1}$ and ${k_2}({k_1} > {k_2})$. When they are stretched by the same force

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• If the unit of force and length each be increased by four times, then the unit of energy is increased by

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• Which of the following statements is true

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• A body of mass 5 kg is placed at the origin, and can move only on the x-axis. A force of 10 N is acting on it in a direction making an angle of ${60^o}$ with the x-axis and displaces it along the x-axis by 4 metres. The work done by the force is

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