Kinetic Fictional Force help please

  • Thread starter eanderson
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  • #1
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A 109-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 38.3 ° below the horizontal. The coefficient of kinetic friction is 0.260. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?
 

Answers and Replies

  • #2
21
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Fk = ukN...
 
  • #3
learningphysics
Homework Helper
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Suppose the box travels a distance d horizontally... then what is the work done by the force P ?
 

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