7) A brick delivery truck parks on a roadside scale that measures 4 m by 6 m. If the brick truck weighs 60,000 N, what pressure does the scale put on the spring below?
Question
7) A brick delivery truck parks on a roadside scale that measures 4 m by 6 m. If the brick truck weighs 60,000 N, what pressure does the scale put on the spring below?
Solution
To solve this problem, we need to use the formula for pressure which is:
Pressure = Force / Area
Step 1: Calculate the area of the scale. The area of a rectangle is given by the formula length x width. So, the area of the scale is 4 m x 6 m = 24 m^2.
Step 2: Substitute the given values into the pressure formula. The force is the weight of the truck, which is 60,000 N, and the area is 24 m^2.
Pressure = 60,000 N / 24 m^2 = 2,500 N/m^2.
So, the pressure the scale puts on the spring below is 2,500 N/m^2.
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