Question: Animation of a simple pendulum


Im trying to animate a simple pendulum with maple 15. I'm able to make to the pendulum masse move, but, somehow, I can't animate the rope of the pendulum. I tried to draw the rope with the plottools library line , but no success.

Pendulum:=proc(x,y)plots[pointplot]([x,y],color=blue, symbol=solidcircle,symbolsize=25) end proc:

There is no error message when I run the code, but the damn Rope wont appear. I try doing a procedure for the Rope, didn't work either. So, I only a circle swinging, but no Rope :(

Any suggestion

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