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1. |
A point subjected to a number of forces will be in equilibrium, if |
A. | sum of resolved parts in any two directions at right angles, are both zero |
B. | algebraic sum of the forces is zero |
C. | two resolved parts in any two directions at right angles are equal |
D. | algebraic sum of the moments of the forces about the point is zero |
Answer» B. algebraic sum of the forces is zero | |