10 points
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?
Work Force x Distance
182 foot-pounds
1440 foot-pounds
840 foot-pounds