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Gravels are dropped on a conveyor belt a...

Gravels are dropped on a conveyor belt at the rate of `0.5` kg / sec . The extra force required in newtons to keep the belt moving at 2 m/sec is

A

1

B

2

C

4

D

`0.5`

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A
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ERRORLESS -NEWTONS LAWS OF MOTION-Second Law of Motion
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