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According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then

[A].	their algebraic sum is zero	[B].	their lines of action are at equal distances
[C].	the algebraic sum of their moments about any point in their plane is zero	[D].	the algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point

Answer: Option C