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Energy of a Pendulum
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Objective: To use words, energy bar charts, and numbers to identify how the kinetic energy, potential energy, and total mechanical energy change as a pendulum bob swings back and forth.
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KE, PE, and TME
Describe how the KE, PE, and TME changes as a pendulum bob moves along its path.
3 Questions
Pick from among the three activities -
KE, PE and TME; Energy Bar Charts; and Do It With Numbers.
Energy Bar Charts Completed
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Energy Bar Charts
Identify the correct energy bar charts for various locations along a pendulum’s path.
3 Questions
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Do It With Numbers
Completed
Do It With Numbers
Given the KE and PE values at a given location along a pendulum’s path, identify the KE and PE values at a second location along its path.
6 Questions
KE, PE, and TME Completed
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In the KE, PE, and TME activity.
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Note: The lowest height location on the arc has a height of 0 m.
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Do It With Numbers
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KE, PE, and TME
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The potential energy would …
The kinetic energy would …
The total mechanical energy would …
Tap to identify the location that matches each bar chart.
Energy Bar Charts
A pendulum is swinging back and forth along its circular arc. Consider locations A, B and C as shown. Match each location to the corresponding energy bar chart.