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An airtight box having a lid with an area of 12 in. 2 is partially evacuated. If a force of 108 lb is required to pull the lid off the box, and the outside atmospheric pressure is 15 lb/in. 2 , what was the pressure in the box?

An airtight box having a lid with an area of 12 in.2 is partially evacuated. If a force of 108 lb is required to pull the lid off the box, and the outside atmospheric pressure is 15 lb/in.2, what was the pressure in the box?

Grade:11

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
8 years ago
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