An experimental device imparts a force of magnitude F = 40 lb to the front edge of the rim at A to simulate the effect of a slam dunk. Compute the moment of the force F about point O and about point B. The moments are positive if counterclockwise, negative if clockwise. Finally, locate a point C from the base at O to the location on the ground where the force imparts zero moment. The distance d from point O to point C is positive if C is to the right of O, and negative if to the left.

The moment of a force about a given point is the torque exerted by the applied force on the object. The moment of force is determined from the product of force and perpendicular distance of the applied force.

P = Fd

where;

P is the moment of force
F is the applied force
d is the distance of the force

Thus, the moment of force about point O, is determined from the product of force and perpendicular distance.

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