The extension-load graph for a spring is shown. The spring’s original unstretched length is $17.0\,\text{cm}$. When an object is hung from the spring, its length becomes $19.2\,\text{cm}$. What is the weight of the object?
- A$1.4\,\text{N}$
- B$1.6\,\text{N}$
- C$2.6\,\text{N}$
- D$3.0\,\text{N}$