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A block of mass M is placed on a rough horizontal surface. A force F = M g acts on the block. It is inclined to the vertical at an angle . The coefficient of friction is µ. The block can be pushed along the surface only when
detailed solution
Correct option is C
Here Mgsinθ≥μ(Mg+mgcosθ)∴ tanθ/2≥μ.Talk to our academic expert!
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A block of mass 5 kg is placed on a rough horizontal plane. A time dependent horizontal force F = (t2+2t)N acts on the block. The friction force between the block and the plane at t = 3 s is ()
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