We will take the example of a mass attached to a spring. Let's say that the normal state of the system, that is to say when nothing moves, in other words the equilibrium, happens when the spring has a length l. If you move the mass by dx, making so that the spring has now a length l'
We will take the example of a mass attached to a spring. Let's say that the normal state of the system, that is to say when nothing moves, in other words the equilibrium, happens when the spring has a length l. If you move the mass by dx, making so that the spring has now a length l'
0.0(out of 5) 
