A force of 200 pounds presses on a piston with an area of 8 square inches. What is the pressure?
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Correct answer to question 87 (Mechanical Comprehension): 25 pounds per square inch
Method
Pressure is force divided by area, so 200 / 8 = 25 pounds per square inch. Spreading the same force over a larger piston lowers the pressure, which is the whole idea behind snowshoes as well as hydraulics.
Updated: November 2026
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