According to principle of moments
If a system of coplanar forces is in equilibrium, then their algebraic sum is zero
If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
The algebraic sum of the moments of any two forces about any point is equal to moment of the resultant about the same point
Positive and negative couples can be balanced
Correct Answer :
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
Related Questions
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