- #1
congman
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Homework Statement
For my control system course i need to derive differential equation and period of a physical pendulum.
Pendulum rod's mass is m, length is l and has a spherical mass M
Homework Equations
i need relevant equatins so obviously :D
The Attempt at a Solution
i know that i should use stoke's equation for air firicition but i couldn't find out how.
in some posts period of a physical pendulum is given but i need to solve max. angle
Thank andd sorry about my crappy englisf.İ hope i can define my question