Force, Work, Energy and Power

Centre of Gravity and Uniform Circular Motion

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Energy and Power

Energy is the capacity to do work. Energy is equal to the total amount of work done by a body. Its units are same as that of work. A practical unit of measuring energy is kilowatt hour. It is defined as the energy consumed when an electrical appliance having a power rating of 1 kilowatt is used for ....Read More

Force

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Machines

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Moment of Force

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Non-Renewable Sources of Energy

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Renewable Sources of Energy

Sources of energy can be broadly classified as non-renewable and renewable sources of energy. The sources of energy which once consumed cannot be regenerated over a reasonable period of time are called non-renewable sources of energy. The sources of energy which are either unlimited or can be regene ....Read More

Work

In science, work is said to be done when there is a displacement in the position of the object in the direction of applied force. Two conditions that need to be satisfied for work to be done are that a force should act on an object and the object must be displaced. Mathematically, work done on an ob ....Read More

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