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[Phys-l] PV question

Themo question
If I have a PV diagram where the process travels diagonally along a straight
line from lower right to upper left (B to A), can a generic statement be
made where this shows NEGATIVE work BY the gas because the volume decreases.
...regardless of the change in pressure?

ASCII art below

| \
| \
| \
Po+ \B
Vo 2Vo


Tony Wayne
Albemarle High School
Physics Teacher
Science Department Chair
Those who can do.
Those who understand, teach.