Question

Elastic forces

• A. Are always conservative
• B. Are not always conservative
• C. Are never conservative
• D. None of these

Answer 1

The correct option is B Are not always conservative

$\begin{array}{c}\text{Elastic forces are not always conservative}\\ \text{It is couservative as long as the loading and}\end{array}$

$\begin{array}{c}\text{unloading curves are not coincident, even if the}\\ \text{curves are not linear. for eg: Rubber.}\end{array}$