Question : To open a door easily, the handle should be fixed
Option 1: near the hinges
Option 2: away from mid-point opposite to hinges
Option 3: in the middle
Option 4: none of the above
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Correct Answer: none of the above
Solution : The correct answer is none of the above.
In physics, Torque is the amount of force which causes a body to rotate on its axis. It is calculated by multiplying the amount of force applied with the distance from the axis of rotation. So greater the distance from the axis would be, greater would be the amount of torque applied. So logically the handles in the door should be fixed at the largest distance from the hinges, as greater would be the torque applied and lesser force would be required to open the door.
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