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| Q. |
To open a door easily, the handle should be fixed – |
| A. | near the hinges |
| B. | away from mid-point opposite to hinges |
| C. | in the middle |
| D. | None of these |
| Answer» D. None of these | |
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Explanation: Since Torque = force x distance, to open a door easily, the handle should be fixed at the greatest distance from the hinges. If we pull with same force on a handle that is 2 feet away from the hinges, we will provide twice the torque, so it will be twice as easy to open.Q.50) Dioptere is the unit of – |
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