How to calculate the jacking forces

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sctong147

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how to calculate the jacking forces when i jack up a car to replace tyre?Thanks...
 
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  • #2
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.
 
  • #3
Doc Al said:
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.

ok,thanks...
 

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