When a cube is in limiting equilibrium on an inclined plane and it is about to topple. The coefficient of friction between cube and plane is:-
Medium
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If block is about to topple normal reaction will
act at $A.$
about $G$
$\mathrm{N} \times \frac{\mathrm{a}}{2}=\mu \mathrm{N} \times \frac{\mathrm{a}}{2}$
$\mu=1$
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