A

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Q. In which case power required would be more

  • (A) In lifting up a weight of 100 kg at a velocity of 3 m/sec but accelerating upwards at 0.5 m/sec
  • (B) In lowering a weight of 100 kg along an a inclined plane at an angle of 45o with
  • (C) In lifting up a weight of 100 kg at a constant speed of 3 m/sec
  • (D) In lowering the weight at a constant speed of 3 m/sec

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