The Graph Shows Force Exerted by Two Springs with Spring

Multiple Choice

The graph shows force exerted by two springs with spring constants and , respectively, as a function of extension/compression. Which of the following statements is not true?

A) At the same extension force exerted by spring one is larger than force exerted by spring two
B) When the force exerted by spring one is the same as force exerted by spring two, the latter is extended more.
C) If both springs have the same dimensions, spring one is made from a stiffer material than spring two.
D) If the springs are made of the same material and have the same length, spring one has a smaller cross-sectional area than spring two.
E) If the springs are made of the same material and have the same cross-sectional areas, spring one is shorter than spring two.