A truck weighs 7280 pounds. If the
pressure exerted by its tires on the ground
is 87.5 pounds per square centimeter, what
is the area of one tire that's in contact with
the road?

Respuesta :

This problem is providing the weight, 7280 pounds, of a truck and the pressure its tires exert on the ground, 87.5 pounds/cm² so the area that is in contact with the road is required and found to be 83.2 cm² according to the following calculations:

Pressure:

In science, pressure is known as the force an object exerts over a surface it is in contact with, and can be calculated as follows:

[tex]P=\frac{F}{A} [/tex]

Thus, since the problem provides us with the pressure and force, one can calculate the area by solving for A:

[tex]A=\frac{F}{P} [/tex]

Hence, we just plug in the given values to obtain:

[tex]A=\frac{7280 pounds}{87.5pounds/cm^2}\\ \\ A=83.2 cm^2[/tex]

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