Potable water weighing 20 pounds located at +84 inches from the datum contributes how many inch-pounds of moment?

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Multiple Choice

Potable water weighing 20 pounds located at +84 inches from the datum contributes how many inch-pounds of moment?

Explanation:
Moment is the turning effect produced by a force, calculated as weight times its distance from the datum (the arm). Here, potable water weighs 20 pounds and sits 84 inches from the datum, so the moment is 20 × 84 = 1680 inch-pounds. The positive 84-inch arm indicates the direction of the moment about the datum, and this exact product matches the provided value. If the weight or its distance changes, the moment would change proportionally.

Moment is the turning effect produced by a force, calculated as weight times its distance from the datum (the arm). Here, potable water weighs 20 pounds and sits 84 inches from the datum, so the moment is 20 × 84 = 1680 inch-pounds. The positive 84-inch arm indicates the direction of the moment about the datum, and this exact product matches the provided value. If the weight or its distance changes, the moment would change proportionally.

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