1.

In the arrangement shown in figure coefficient of friction between `5kg` block and incline plane is `mu=0.5`. Friction force acting on the `5kg` block is A. `20 N`B. `15N`C. `10 N`D. `5 N`

Answer» Correct Answer - C
`f_(min)=mumgcos37^(@)`
`20N`
But `2g+f=5gsin37^(@)`
`rArrf=10N`


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