A physical pendulum consists of a disk of radius R and mass 2m fixed at the end of a rod of mass 3m and length 4R as shown in the figure below. Please express your answers in terms of the given quantities and fundamental constants. 3m 4R R. 2m

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A physical pendulum consists of a disk of radius Rand mass 2m fixed at the end of a rod of mass 3m
and length 4R as shown in the figure below. Please express your answers in terms of the given
quantities and fundamental constants.
3m
4R
R.
2m
Transcribed Image Text:A physical pendulum consists of a disk of radius Rand mass 2m fixed at the end of a rod of mass 3m and length 4R as shown in the figure below. Please express your answers in terms of the given quantities and fundamental constants. 3m 4R R. 2m
The pendulum is displaced from equilibrium and released from rest.
c. Determine an expression for the torque about the upper end of the rod which may be used to
obtain the simple harmonic motion differential equation. Draw a diagram showing all aspects
needed for the calculation. State all assumptions.
Transcribed Image Text:The pendulum is displaced from equilibrium and released from rest. c. Determine an expression for the torque about the upper end of the rod which may be used to obtain the simple harmonic motion differential equation. Draw a diagram showing all aspects needed for the calculation. State all assumptions.
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