Question

1. Determine the pressure if the force acting on a circular object is 15 lbs and

its diameter is 5 cm.

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Answer 1

Explanation:

force per unit area is called pressure.

radius=5/2 cm

area=π(5/2)²=25/4π

force=15 lbs

pressure=15÷25/4π=(15×4π)÷25=12π/5=2.4π lbs per square cm