Show that for small displacements the restoring force exerted on part 2 of the displaced string in Figure 15.14 is linearly proportional to the displacement of that part from its equilibrium position.

Data from Figure 15.14

Transcribed Image Text:

(a) When string is displaced from equilibrium position... (b) part 1 part 2 part 3 parts 1 and 3 exert forces on part 2. part 1 wwwwwwwww part 2 part 3 wwwwwwww (c) F part 2 F Forces add up to nonzero restoring force.