NDA2010General AbilityGeneral ScienceActual
A particle oscillates in one dimension about the equilibrium position subject to a force F _x(x) that has an associated potential energy U (x) . If k is the force constant, which one of the following relations is true?
Options
- AF _x(x)=-k x^2
- BF _x(x)=-k x
- CU (x)= 1 2 k x
- DU (x)= 1 2 k^2 x
Correct answer
B. F _x(x)=-k x
Step-by-step solution
The correct answer is option (B).