An airtight box, having a lid of area 12 in2, is partially evacuated. Atmospheric pressure is
15 lb/in2. A force of 108 lb is required to pull the lid off the box. The pressure in the box
was:
15 lb/in2. A force of 108 lb is required to pull the lid off the box. The pressure in the box
was:
1 answer
0 answers
1 answer
10 answers