Conditions of equilibrium
Car jack You’ve got a flat tire. To lift your car, you make a homemade lever (see Figure P7.23). A very light 1.6-m-long handle part is pushed down on the right side of the fulcrum and a 0.050-m-long part on the left side supports the back of the car. How hard must you push down on the handle so that the lever exerts an 8000-N force to lift the back of the car?
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