Plane Pendulum

vx graph vy graph KE graph x graph y graph PE graph E tot graph Phase Diagram
Value for initial angle (degrees, from vertical) Value for initial y velocity (m/s) Value for drag coefficient [-kv drag] (Ns/m)

Consider the simple pendulum simulated above.   By varying the initial angle and the initial y velocity of the pendulum bob, explore the phase diagrams traced out in the panel on the right. In your own words, try to briefly explain what a phase diagram is and what it represents. What kinds of motions of the plane pendulum correspond to the different curves/shapes on the phase diagram? How does the phase diagram change when the pendulum is damped?