SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Definition of power
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The amount of energy transferred when an object is moved over a distance by an external force in regards to the direction of the displacement.
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The rate of energy transferred per second
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The amount of energy transferred in motion
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The amount of energy an object has at rest / before motion
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Explanation:
Detailed explanation-1: -Power is the rate of transfer of energy between energy stores . One watt (W) is equal to one joule per second (J/s).
Detailed explanation-2: -Energy is the capacity to do some physical activities or work, such as running, jumping, etc., while power is defined as the rate at which the energy is transferred, or the work is completed. The unit used to measure energy is joules, ergs and calories. Power is measured in watts.
Detailed explanation-3: -Power is the amount of energy that is transferred per second.
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