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Author Question: Suppose a 160-pound person stood in flat-bottomed shoes having a total area of 60.0 . What pressure ... (Read 110 times)

mydiamond

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on: Jun 23, 2018
Suppose a 160-pound person stood in flat-bottomed shoes having a total area of 60.0 . What pressure is exerted on the ground by the bottoms of the shoes?
 
  What will be an ideal response?

Question 2

A hand-operated air pump for inflating bicycle tires must be able to generate pressures up to 80 psi. These pumps do not require the user to apply much force, however. If the user can apply up to 40 pounds, what should be the area of the pump's piston?
 
  What will be an ideal response?


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jaygar71

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Reply #1 on: Jun 23, 2018
Answer to Question 1

2.7 psi

Answer to Question 2

0.5 in2


mydiamond

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Reply #2 on: Jun 23, 2018
Thank you


jaygar71

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Reply #3 on: Jun 23, 2018
No problem :)


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