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Work with force changing with angle

  1. Apr 27, 2012 #1
    IF F=MGcos θ AND THE ANGLE BETWEEN F AND D IS θ
    THEN WILL THE WORK BE MGcos2θ?
     
  2. jcsd
  3. Apr 27, 2012 #2

    K^2

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    MGDcos²θ, yes. But I'm a bit concerned about your formulas to begin with. What's the setup? You might be accounting for θ once more than you need to.
     
  4. Apr 27, 2012 #3
    serway problem 7,20
     
  5. Apr 27, 2012 #4

    K^2

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    I'm not sure why you assume we all have access to every textbook used for physics lectures.
     
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