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How to calculate the jacking forces

  1. Mar 25, 2007 #1

    sctong147

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    how to calculate the jacking forces when i jack up a car to replace tyre?Thanks...
     
    sctong147, Mar 25, 2007
  2. jcsd
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  3. Mar 25, 2007 #2

    Doc Al

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    Staff: Mentor

    Hint: Treat it as a lever. The minimum force you can exert must be such as to balance the torque due to the weight of the car about the fulcrum.
     
    Doc Al, Mar 25, 2007
  4. Mar 25, 2007 #3

    sctong147

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    ok,thanks...
     
    sctong147, Mar 25, 2007
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