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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

1200 N

C

1000 N

D

166.6 N

Text Solution

Verified by Experts

The correct Answer is:
A
The force, `F=u((dm)/(dt))=20xx(50)/(60)`
`F=16.66N`
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