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Section 15.2 PressureA 20-cm-diameter circular cover is
Chapter 15, Problem 10E(choose chapter or problem)
QUESTION:
Problem 10E
Section 15.2 Pressure
A 20-cm-diameter circular cover is placed over a 10-cm-diameter hole that leads into an evacuated chamber. The pressure in the chamber is 20 kPa. How much force is required to pull the cover off?
Questions & Answers
QUESTION:
Problem 10E
Section 15.2 Pressure
A 20-cm-diameter circular cover is placed over a 10-cm-diameter hole that leads into an evacuated chamber. The pressure in the chamber is 20 kPa. How much force is required to pull the cover off?
ANSWER:
Step 1 of 2
Here we have to find the force required to pull the cover off.
The diameter of the cover is 20 cm.
The diameter of the hole is 10 cm.
So, the radius of the hole is,
.
The pressure inside the chamber is,
.