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A body is placed on an inclined plane an...

A body is placed on an inclined plane and has to be pushed down. The angle made by the normal reaction with the vertical will be:-

Text Solution

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`N=m(gcos37^(@)+asin37^(@))=1(9.8xx0.8+3xx0.6)=9.64N`
`mgsin37^(@)=macos37^(@)+f`

(a) `(a)f=1(9.8xx0.6-3xx0.8)=3.48`
`(b)becausef=muN" "thereforemu=(f)/(N)=(3.48)/(9.64)=0.36`
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