An Airtight Box, Having a Lid of Area 80

Multiple Choice

An airtight box, having a lid of area 80.0 cm², is partially evacuated.Atmospheric pressure is 1.01 x 10⁵ Pa.A force of 108 lb is required to pull the lid off the box.The pressure in the box was:

A) 1.35 x 10⁴ Pa
B) 2.60 x 10⁴ Pa
C) 4.10 x 10⁴ Pa
D) 8.75 x 10⁴ Pa
E) 1.36 x10⁵ Pa