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[" A block of mass "m" is placed over "]...

[" A block of mass "m" is placed over "],[" rough inclined plane having "],[" inclination "30^(@)." The co-efficient of "],[" friction between the block and "],[" inclined plane is "0.75" .The contact "],[" force on the block is "(x)/(4)mg" .Find the "],[" value of "x]

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