Compressor Motor: HP v.s. Amps?
In article , Gary Coffman says...
The force, mg, is
always *down*, but pendulum motion is radial around
the pivot.
I was talking about circular motion.
But for a pendulum, the displacement
and the force are still orthogonal.
The dot product is still zero.
For long pendulums, that is. That
makes is a lot easier to solve for
the motion.
Jim
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