A suspended long metal wire is stretched a small distance $x$ by a load $W$ in newton suspended at the other end. Select the best answer out of the following
A suspended long metal wire is stretched a small distance $x$ by a load $W$ in newton suspended at the other end. Select the best answer out of the following
- A
The loss in potential energy of the load $W$ is equal to the gain in energy of the wire in stretching a length $x$
- B
The energy stored in the wire can be calculated from the area between the force extension graph and the extension axis
- C
The energy per unit volume stored in the wire $ = \frac{1}{2}Wx$
- D
None of the above
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