MCQOPTIONS
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| 1. |
A particle oscillates in one dimension about the equilibrium position subject to a force \[{{F}_{xx}}(x)\] that has an associated potential energy U(x). If k is the force constant, which one of the following relations is true? [NDA] |
| A. | \[{{F}_{x}}(x)=k{{x}^{2}}\] |
| B. | \[{{F}_{x}}(x)=kx\] |
| C. | \[U(x)=\frac{1}{2}kx\] |
| D. | \[U(x)=\frac{1}{2}{{k}^{2}}x\] |
| Answer» C. \[U(x)=\frac{1}{2}kx\] | |