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MIAT Physics Practice Test

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Which unit is used to express work in the English system?
Correct Answer:
Foot-Pounds
Explanation:
Work in the English system is measured as force times distance, so the unit is foot-pounds. When you exert one pound of force over a distance of one foot, you’ve done one foot-pound of work. The common shorthand for this in English units is Foot-Pounds (often written ft·lbf). Pound-Feet is a unit of torque, not work, so it isn’t appropriate here. Newton-Meters belongs to the SI system, not the English system. Foot-Pounds is the best fits because it directly represents energy/work in the English units.

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