A body of weight 50 kN rests in limiting equilibrium on a rough plane, whose slope is 30°. The plane is raised to a slope of 45°. Find the value of the coefficient of friction for equilibrium

A body of weight 50 kN rests in limiting equilibrium on a rough plane,

1.	A body of weight 50 kN rests in limiting equilibrium on a rough plane, whose slope is 30°. The plane is raised to a slope of 45°. Find the value of the coefficient of friction for equilibrium
A.	0.577
B.	0.749
C.	0.623
D.	0.425
Answer» B. 0.749

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A body of weight 50 kN rests in limiting equilibrium on a rough plane, whose slope is 30°. The plane is raised to a slope of 45°. Find the value of the coefficient of friction for equilibrium

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