Problem 10.09 Part A A person wearing the shoes has a mass of 56 kg (Figure 1) E

Question

Problem 10.09 Part A A person wearing the shoes has a mass of 56 kg (Figure 1) Estimate the pressure exerted on a floor by one pointed hee1 of area 0.45 cm2 . Express your answer to two significant figures and include the appropriate units. PValue Units Submit My Answers Give Up Incorrect Try Again; 3 attempts remaining Part B Estimate the pressure exerted on a floor by one wide heel of area 16 cm2 Express your answer to two significant figures and include the appropriate units Figure 1 of 1 PValue Units Submit My Answers Give Up Provide Feedback Continue

Explanation / Answer

a] We know that,

Pressure, P = Force/Area

P = F/A

= mg/A

= 56*9.8/(2*0.45*10^-4)

= 6.1*10^6 N/m^2

= 6.1*10^6 Pa

b] P = 56*9.8/(2*16*10^-4)

= 1.71*10^5 N/m^2

= 1.71*10^5 Pa

Answer

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