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Work, Energy & Power: Power MCQ

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PowerMediumQuestion 6070

Question

Elevator lifts 800 kg load at 2 m/s (g = 10 m/s²). Power required:
  1. A
    4000 W
  2. B
    16000 W
    Correct
  3. C
    8000 W
  4. D
    400 W

Correct answer

16000 W

Explanation

P = mgv = 800×10×2 = 16,000 W.

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