Question

Select the correct alternative $\left(s\right)$
a) Elastic forces are always conservative
b) Elastic forces are not always conservative
c) Elastic forces are conservative only when Hooke's law is obeyed
d) Elastic forces may be conservative even when Hooke's law is not obeyed

• A. $a,d$
• B. $b,c$
• C. $b,d$
• D. $a,c$

Answer 1

The correct option is B $b,c$

$\begin{array}{c}\text{Elastic forces are not aluays conservative}\\ \text{gt is conservative only when Hooke's law is obeyed}\\ \text{because wol Hookes law is obeyed thpto elastic limit.}\\ \text{After elastic limit Elastic force is not conservative.}\\ \text{as it dcesn't regain its original shape.}\end{array}$