When does the potential energy of a spring increase?

It increases in both cases as long as there is a deformation, whether positive or negative.

Related Questions & Answers
Why Is Housefly Termed As The Public Enemy No1
Dna Copying An Essential Part Of The Process Of Reproduction Explain
Which Is The Most Accepted Theory For Origin Of Life
What Does An Electric Circuit Mean
What Are The Different Types Of Led
What Are The Defects Of Rutherfords Model Of Atom
Explain The Origin Of Magnetic Ordering Or Ordering Field
Express Mass Of 6022 X 1022 Molecules Of Co2 In Grams
What Is Double Circulation
White Light Is Considered To Be