1. Mar 25, 2007 #1

   sctong147

   

   how to calculate the jacking forces when i jack up a car to replace tyre?Thanks...

    

   sctong147, Mar 25, 2007
2. 
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3. Mar 25, 2007 #2

   Doc Al

   

   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

   

   ok,thanks...

    

   sctong147, Mar 25, 2007

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