KEY TERMS

    Cards (6)

    • fulcrum
      the part of the lever system that pivots, joints are the fulcrum in the body
    • load / resistance
      the load to be moved by the lever system, ususally this involves weight
    • effort
      the force applied to move the load or weight in the body, this is applied by muscles
    • load arm

      distance between the fulcrum and the load
    • effort arm

      distance between the fulcrum and the effort
    • mechanical advantage

      a large load can be lifted with a relatively small amount of effort
      mechanical advantage = effort ÷ load
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