A block A kept on an inclined surface just begins to slide if the inclination is 3 0 º . The block is replaced by another block B and it is found that it just begins to slide if the inclination is 40 º

Question

A block A kept on an inclined surface just begins to slide if the inclination is 3 0 º . The block is replaced by another block B and it is found that it just begins to slide if the inclination is 40 º, mass of A > mass of B, mass of A < mass of B, mass of A = mass of B, all the three are possible

MARKS App · Accepted Answer

To slide a block the angle of friction = angle of repose. μ = tan ⁡ θ This will not depend on the mass of the body.

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