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Question 6067
NEET Physics · Medium

Work, Energy & Power: Power MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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PowerMediumQuestion 6067

Question

Body (m) moves at constant velocity v against friction f. Power required:
  1. A
    fv
    Correct
  2. B
    mv
  3. C
    f/v
  4. D
    mv/f

Correct answer

fv

Explanation

At constant v, applied force = f. P = fv = fv.

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