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Mathematics 11 Online
OpenStudy (anonymous):

The force F=4i-7j moves an object 4ft along the x-axis in the positive direction. Find the work done if the unit of force is the pound.

OpenStudy (cwrw238):

its a few years since i did this stuff - i think the 4i is the component of force in positive x direction and work done = force * distance so i believe the answer is 4 * 4 = 16 ft lbs

OpenStudy (cwrw238):

- if my memory serves me right!

OpenStudy (anonymous):

You're right!!! thank you! :)

OpenStudy (cwrw238):

yw

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