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@InertialObservr You have probably been sent this by several folks.
Question: if the mass of the pendulum decreases over time, does that effect the procession? https://twitter.com/engineeringvids/status/1242779152308031488 …
i've been meaning to make a simulation of this to figure it out .. in short (1) there must have been some original tangential momentum in the swing and (2) the moment of inertia changing will effect the oscillation period
also it looks like there's a lot of energy being dissipated by friction/wind resistance
There's no reason that the changing moment of inertia should affect the amplitude or direction .. so it seems that the entire pattern is made by air resistance and friction
But does it really? Let's imagine two pendulums of equal mass swinging in parallel, then closer and closer to each other and finally touching and staying together. Does it cause a sudden change in the period? I suspect that the change in period is caused by friction only.
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