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Question

A Cubic block rests on a plane of μ=3. The angle through which the plane be inclined to the horizontal so that the block just slides down will be

A
30
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B
45
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C
60
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D
75
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Solution

The correct option is C 60

Given that,

μ=3

We know that,

tanθ=μ

tanθ=3

tanθ=3

θ=600

Hence, the angle is 600


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