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An open carriage in a goods train is moving with a uniform velocity of 10 m/s. If the rain adds water with zero velocity at the rate of 5 kg/s, then the additional force required by the engine to maintain the same velocity of the train is (1) 0.5 N (2) 20 N (3) 50 N (4) Zero |
| Answer» An open carriage in a goods train is moving with a uniform velocity of 10 m/s. If the rain adds water with zero velocity at the rate of 5 kg/s, then the additional force required by the engine to maintain the same velocity of the train is (1) 0.5 N (2) 20 N (3) 50 N (4) Zero | |