Work

The main concepts covered in the Class 11 NCERT textbook on work, power, and energy include the definitions and calculations of work, power, and energy, different types of energy, conservation of energy, and the relationship between work, power, and energy.

Work is the transfer of energy that occurs when an object is moved against an external force. It is calculated by multiplying the magnitude of the force applied on an object by the distance over which the object is moved in the direction of the force.

Power is the rate at which work is done or energy is transferred. It is calculated by dividing the work done by the time taken. Power is directly proportional to work, as the more work done in a given time, the higher the power.

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