A horizontal force F is applied at the top of an equilateral triangular block having mass m . The minimum coefficient of friction required to topple the block before translation will be

Question

A horizontal force F is applied at the top of an equilateral triangular block having mass m . The minimum coefficient of friction required to topple the block before translation will be, 2 3, 1 2, 1 3, None of these

MARKS App · Accepted Answer

I = m a 2 6 + m a 3 2 ⇒ I = m a 2 2 ⇒ F × a 3 2 = m g a 2 ⇒ F = m g 3 F = F m a x ⇒ m g 3 μ m g ⇒ μ = 1 3

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