If a truck weighs 18,000 N and it’s tires are inflated to a pressure of 190 kPa how large is the area of the trucks tires that a re in contact with the ground
1 answer:
0.095m²
Explanation:
Given parameters;
Weight of truck = 18000N
Pressure = 190kPa or 190000Pa
Unknown:
Area of truck tires = ?
Solution:
Pressure is given as the force per unit area of a substance:
Pressure =
Since Area is the unknown, we make it the subject of the expression;
Area =
=
= 0.095m²
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