According to principle of moments

A If a system of coplanar forces is in equilibrium, then their algebraic sum is zero
B If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
C The algebraic sum of the moments of any two forces about any point is equal to moment of the resultant about the same point
D Positive and negative couples can be balanced

Correct Answer: If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero

Bissoy MCQ
#Mechanical Engineering #Engineering Mechanics

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