MCQOPTIONS
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MCQOPTIONS
| 1. |
The angle between two forces P and Q is α. The resultant of these forces is |
| A. | \(\sqrt {{P^2} + {Q^2} + 2PQ\sin \alpha } \) |
| B. | \(\sqrt {{P^2} + {Q^2} + 2PQ\cos \alpha } \) |
| C. | \(\sqrt {{P^2} + {Q^2} \ } \) |
| D. | \(\sqrt {{P^2} + {Q^2} - 2PQ\cos \alpha } \) |
| Answer» C. \(\sqrt {{P^2} + {Q^2} \ } \) | |