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Homework Help: How to calculate the jacking forces

  1. Mar 25, 2007 #1
    how to calculate the jacking forces when i jack up a car to replace tyre?Thanks...
     
  2. jcsd
  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.
     
  4. Mar 25, 2007 #3
    ok,thanks...
     
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