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| Q. |
What type of force handles for active torques? |
| A. | strong nuclear forces |
| B. | weak nuclear forces |
| C. | gravitational forces |
| D. | electrostatic forces |
| Answer» C. gravitational forces | |
| Explanation: gravitational forces are responsible for active torques. active torques due to gravitational forces can be obtained in the case of hoists, lifts or elevators and railway locomotives operating on gradients. | |
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