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In the figure shown, (a) find the forc...

In the figure shown,
(a) find the force of friction acting on the block.
(b) state whether the block will move or not. If yes then with what acceleration?

Text Solution

Verified by Experts

Resolving the force in vertical (perpendicular to the plan) direction (except friction)
Here `R` is the normal reation,
`sum F_(Y) =0 rArr R=26N`
`mu_(s)R =0.6xx26=16.6N`
`mu_(k)R =0.4xx26=10.4N`
`sum F_(x) = "net driving force" F =14N`
(a) Since, `Flemu_(s)R`
`:.` Force of friction `f=F=14N`
This friction will act in the opposite direction of `F`.
(b)Since, `Flemu_(s)R` the block will not move.
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