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Photo Courtesy of Wikimedia Commons |
Downloaded 2009-01-16 from Charles H. Henderson & John F. Woodhull (1901) The Elements of Physics, D. Appleton & Co., New York, p.59, fig.21 |
Adding detail to the model of the pendulum.
The "Solution" header and the bold items below should NOT be changed. Only the regular text within the macros should be altered.
Solution
System: A model of a pendulum, simply supported and free to swing without friction about a supporting axis under the torque due to gravity.
Interactions: torque due to gravity and the upward force exerted against gravity by the axis.
Model: Angular Momentum and External Torque about a Single Axis
Approach:
Diagrammatic Representation
We consider first the usual Simple Model of a Pendulum
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And then a slightly more detailed model
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With two variations.
Mathematical Representation
The regular solution.
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