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3 Cards in this Set

  • Front
  • Back

Describe an electric jack?

Electric motor mounted on a screw jack. May use wired or wireless remote.

Describe a hydraulic jack ?

-Hydraulic pressure pushes on a piston to extend the jack.


-Input piston is pumped by hand creating pressure in the closed system.


-The lower leg is the output piston


Why aren't bumper brackets used anymore ?

Bumpers are no longer structural members. They are impact crumple components now.