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A block of mass m is stationary on a rou...

A block of mass m is stationary on a rough inclined plane making an angle `theta` with the horizontal. Find the contact force between block and the plane

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Because the block slipa on the table, maxium frictioN/Al force acts on it.
From the free body diagram
R=mg`

`:. F-muR=0`
`rarr F=muR=mumg`
But the table is at ret so frictioN/Al force at the legs of the table is also `muR_1`. Let it be so from the free body diagram,
`f_0-muR=0`
`rarr f_0=muR=mumg`
Total frictioN/Al froce on table by floor is `mumg`
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