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A train is moving with velocity 20 m//se...

A train is moving with velocity `20 m//sec` . on this dust is falling at the rate of 50 kg / minute . The extra force required to move this train with constant velocity will be

A

`16.66` N

B

1000 N

C

`166.6` N

D

1200 N

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The correct Answer is:
A
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ERRORLESS -NEWTONS LAWS OF MOTION-Second Law of Motion
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