MCQOPTIONS
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| 1. |
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 |
| E. | none of the above |
| Answer» C. the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point | |