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A block m is kept stationary relative to...

A block m is kept stationary relative to cage on a rough inclined surface of an accelerating cage as shwon in the figure. At the give instant,

A

Normal reacton performs positive work on the block in a give time interval

B

Power delivered by normal reaction relative to cage is zero

C

Work done by frictional for on the block is negative in any time interval

D

Net work done by normal reaction and friction between the block and cage is zero in any time interval

Text Solution

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The correct Answer is:
A, B
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