The four tires of an automobile are inflated to a gauge pressure of 1.9 105 Pa.

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urfunzzntobby

Science

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Explanation & Answer

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The total contact area is 4 * 0.02 m^2 = 0.008 m^2. The pressure is 1.9 * 10^5 Pa. Solving: 
P = F / A 
P * A = F 
F = (1.9 * 10^5 Pa) * (0.008 m^2) 
F = 1520

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Sngva Zraunm (1755)
UC Berkeley

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