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QUESTION 5 Assuming bicycle tires are perfectly flexible and support the weight of bicycle and rider by pressure alone, calcu
QUESTION 7 What force must be exerted on the master cylinder of a hydraulic lift to support the weight of a 1.231 kg car rest
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Answer #1

5] Pressure force on the tire balances the weight of cycle and rider

P*area = mg

5.4e5*area = 70*9.8

area = [70*9.8]/5.4e5

= 0.00127 m^2 answer

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