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

Question

2 years ago

6

re in contact with the ground

1 answer:

Mamont248 [21] · Answer 1 · 2021-12-16T16:30:18+03:00

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 = $\frac{force }{Area}$

Since Area is the unknown, we make it the subject of the expression;

Area = $\frac{force }{pressure}$

= $\frac{18000}{190000}$

= 0.095m²

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