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8468
An engine that weighs 350 pounds is removed from an aircraft by means of a mobile hoist. The engine is raised 3 feet above its attachment mount, and the entire assembly is then moved forward 12 feet. A constant force of 70 pounds is required to move the loaded hoist. What is the total work input required to move the hoist?
| | A) 840 foot pounds. |
| | B) 1,050 foot pounds. |
| | C) 1,890 foot pounds. |
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