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A uniform beam $AB$ of length $2l$ rests with end $A$ in contact with rough horizontal ground. A point $C$ on the beam rests against a smooth support. $AC$ is of length $\frac{3l}{2}$ with $C$ higher than $A$, and $AC$ makes an angle of $60$ degree with the horizontal. If the beam is in limiting equilibrium, find the coefficient of friction between the beam and the ground.

Can anyone draw out the diagram for me ? I can't visualize it.

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closed as off-topic by honeste_vivere, John Rennie, dmckee Jun 23 '16 at 14:54

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I draw one for you,hope it helps! enter image description here

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