Work Done by a Variable Force

Work Done by a Variable Force - constant force Let break...

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Work Done by a Variable Force Consider a force acting on an object over a certain distance that varies according to the displacement of the object. Let call this force F(x) , as it is a function of x . Though this force is variable, we can break the interval over which it acts into very small intervals, in which the force can be approximated by a
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Unformatted text preview: constant force. Let break the force up into N intervals, each with length δx . Also let the force in each of those intervals be denoted by F 1 , F 2 ,…F N . Thus the total work done by the force is given by: W = F 1 δx + F 2 δx + F 3 δx + ... + F N δx...
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This note was uploaded on 12/03/2011 for the course PHYSICS 010 taught by Professor - during the Fall '09 term at Montgomery.

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