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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 45? 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 |
E. | In lowering the weight at a velocity of 3 m/sec and acceleration of 1 m/sec2 |
Answer» A. In lifting up a weight of 100 kg at a velocity of 3 m/sec but accelerating upwards at 0.5 m/sec |
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