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Q: What is working rate or energy transfer rate ?
  • A. Power
  • B. Work done
  • C. Impulse
  • D. Force
Correct Answer: Option A - Power is defined as rate of doing work in other words the work done per second or energy transfer rate is called as power. It turns out that: Power = Force × Velocity. The SI unit of power is Joule per second or watt.
A. Power is defined as rate of doing work in other words the work done per second or energy transfer rate is called as power. It turns out that: Power = Force × Velocity. The SI unit of power is Joule per second or watt.

Explanations:

Power is defined as rate of doing work in other words the work done per second or energy transfer rate is called as power. It turns out that: Power = Force × Velocity. The SI unit of power is Joule per second or watt.