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Scissors Jack Lift Calculation

  1. Oct 15, 2014 #1
    1. The problem statement, all variables and given/known data
    What formula would I use to calculate the lift force of a Jack Screw
    when I know the force exerted on the linear screw? It would be similar to the Jack used to lift a car.

    2. Relevant equations


    3. The attempt at a solution
     
  2. jcsd
  3. Oct 15, 2014 #2
    Well, you could draw FBDs for the links and set it up as a conventional statics problem,
    or,
    you could do some kinematics and use virtual work. Your choice!!
     
  4. Oct 15, 2014 #3
    Thanks Dr.D
     
  5. Oct 15, 2014 #4
    Here is a FB of my linkage.
     

    Attached Files:

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