Here is a complicated, simple machine – give it a go! If you apply a force of 86N to the handle of the car jack an you move it a total distance of 82m (up, down, up….) and the car jack is 13% efficient (87% of work in does not come out – lost as friction), how high (distanceout) did the jack lift the 5000N car? m (answer in 2 sig figs)
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Here is a complicated, simple machine – give it a go!
If you apply a force of 86N to the handle of...
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