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Scholar
Karma Points: 204
Respect (90%):
Date Posted: 6/30/2008 12:01:35 PM  Status: Closed
trigonometry
Course Textbook Chapter Problem
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Question Details:
A package is pushed across a floor a distance of 50 feet by exerting a force of 15 pounds downward at an angle of 25 degrees with the horizontal. How much work is done?
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Answers:

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Oracle
Karma Points: 15,002
Date Posted: 6/30/2008 12:25:37 PM  Status: Live
Asker's Rating: Lifesaver   
Response:
Work = Force*distance*cosθ

The force is given to us as 15 pounds

The distance given to us is 50 feet

and we have an angle of 25 degrees so we know everything that we need to plug in to the formula:

W = 15*50*cos*25

W = 680 ft*lb
brop's Comment:
thank you
Hope this helps!  Please take the time to rate my answer accordingly.  Thanks! 



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