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Saturday, 8 October 2011

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Harder Pressure Calculations – Model Answers

4. Ordinary Shoe heel

        A = l x w

        A = 5cm x 5cm = 0.05m x 0.05m

        A = 0.0025m2

            W = mg

        W = 40 x 10

        W = 400N

        p = F / A

        p = 400 / 0.0025

        p = 160,000Pa or 160kPa

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