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Determine the moment of the force about point O. Assume [tex] F = 120 N [/tex], [tex] H = 3 m [/tex], [tex] L = 7 m [/tex]. Consider the moment as positive if it is counterclockwise and as negative if it is clockwise.

a) 720 N·m
b) -720 N·m
c) 360 N·m
d) -360 N·m

Answer :

Final answer:

The moment of the force about point O can be calculated using the formula: Moment = Force (F) x Distance (L) x Height (H). In this case, since the moment is positive if it is counterclockwise and negative if it is clockwise, we can calculate: Moment = 120 N x 7 m x 3 m = 2520 N·m. Therefore, the moment of the force about point O is 2520 N·m.

Explanation:

The moment of the force about point O can be calculated using the formula:

Moment = Force (F) x Distance (L) x Height (H)

In this case, since the moment is positive if it is counterclockwise and negative if it is clockwise, we can calculate:

Moment = 120 N x 7 m x 3 m = 2520 N·m

Therefore, the moment of the force about point O is 2520 N·m. However, none of the given options match this value, so none of the provided options are correct.

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