Spring Motion with Graph

This applet will show students how a spring is related to trigonometric functions.
[list=1][br][*]What happens if we increase/decrease [i]A[/i]?[br][/list][br][list=2][br][*]What happens when we increase/decrease the [i]period[/i]?[br][/list][br][list=3][br][*]What does it mean, in the context of a spring, if we change [i]A[/i]?[br][/list]

Information: Spring Motion with Graph