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Author Question: A tire inflated to a pressure of 44.0 psi supports 820 pounds of a vehicle's weight. How much of the ... (Read 105 times)

tfester

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on: Jun 23, 2018
A tire inflated to a pressure of 44.0 psi supports 820 pounds of a vehicle's weight. How much of the tire's tread is in contact with the ground? Report your answer in square inches.
 
  What will be an ideal response?

Question 2

The original 21-tooth speedometer gear in a vehicle must be replaced due to speedometer error. The original 2.56:1 differential was replaced with a 3:27:1 differential, and the 27.3 in. tires are replaced with 31.0-in. tires. How many teeth should there be on the replacement gear?
 
  What will be an ideal response?


Dnite

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

18.6 in2

Answer to Question 2

24 teeth


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