Work
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Math Analysis  Vectors  Application of Work
by
AJ Speller
Key Questions

Answer:
Work done defined as the scalar product of the two vectors force and displacement.
Explanation:
If a force
#vecF# acts on a body and displaces it through#vecr# and the angle between the two vectors be#theta# . The work done by the force is given as,#W = vecF*vecr#
#implies W = FrCos theta# , where#F# and#r# are the magnitudes of#vecF# and#vecr# respectively. 
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