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20 March, 10:36

In changing a tire a hydraulic jack lift 7468 newtons on its large piston which has an area of 28.27 cm squared how much force must be exerted on the small piston if it has an area of 1.325 cm squared

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  1. 20 March, 11:08
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    Answer: 349.99 Newton must be exerted on the small piston

    Step-by-step explanation:

    In changing a tire a hydraulic jack lift 7468 newtons on its large piston which has an area of 28.27 cm squared. Pressure is expressed as force/area

    Pressure exerted and transmitted to the smaller piston is

    7468/28.27 = 264.14N/cm²

    If the small piston has an area of 1.325 cm squared, the force that would be exerted on the smaller piston is

    Force = pressure * area

    = 264.14 * 1.325 = 349.99 Newton
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