In what direction should a force be applied to produce maximum torque?
The direction in which the force must be applied to produce a maximum torque.
Answer to Problem 2A
In perpendicular direction of the lever arm.
Explanation of Solution
Introduction:
The torque acting about an axis of rotation due to the force
Where,
Now, as can be seen from above, if the angle between the force and the lever arm is
Conclusion:
Hence, the force must be applied in a perpendicular direction of the lever arm to produce maximum torque.
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