Work, Energy and Power
Himachal Pradesh Board · Class 11 · Physics
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Quick Quiz: Work, Energy and Power
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What is the SI unit of work and energy?
Work is defined as the product of force and displacement when the force is:
What is the formula for kinetic energy?
In which situation is no work done?
Sample Questions
Power is defined as:
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Rate of doing work
Power is the rate at which work is done or energy is transferred over time.
The work-energy theorem states that:
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Change in kinetic energy equals work done
The work-energy theorem relates the change in kinetic energy to the work done by the net force.
What is the SI unit of power?
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Watt
The SI unit of power is the watt (W), which is equivalent to one joule per second.
Potential energy depends on:
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Position or configuration
Potential energy is the stored energy of an object based on its position or configuration.
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