Discussion :: Strength of Materials - Civil Engineering
- 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 theiwesultant about the same point |
D.
positive and negative couples can be balanced |
Answer : Option B
Explanation :
Explanation Not Provided
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