Download - Conservation of Energy (E)
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J. Gabrielse
Conservation of Energy (E)
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J. Gabrielse
Conservation of Energy (E)
Energy (E) means
Total Energy
![Page 3: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/3.jpg)
J. Gabrielse
Drop a Ball off a Cliff
![Page 4: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/4.jpg)
J. Gabrielse
Drop a Ball off a Cliff
When is the ball moving the fastest?
at the lowest point *
* just before it hits the grounds and just after
![Page 5: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/5.jpg)
J. Gabrielse
Drop a Ball off a Cliff
When is the ball moving the fastest?
at the lowest point *
When is the ball moving the slowest?
at the highest point
(it has to stop in order to change directions)
![Page 6: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/6.jpg)
J. Gabrielse
Drop a Ball off a Cliff
When is the ball moving the fastest?
When is the ball moving the slowest?
What is the ball trading for speed?
at the highest point
at the lowest point *
height
![Page 7: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/7.jpg)
J. Gabrielse
Us
Conservation of EnergyUg K E
J. Gabrielse
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J. Gabrielse
Ug K EConservation of Energy
Gravitational Potential Energy Depends on Height
J. Gabrielse
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J. Gabrielse
Ug K E
Kinetic Energy Depends on Speed
Conservation of Energy
J. Gabrielse
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J. Gabrielse
Ug K E
Mechanical Potential Energy Depends on Deformation
Conservation of Energy
J. Gabrielse
Us
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J. Gabrielse
Ug K EE = Us + Ug + K
J. Gabrielse
Us
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J. Gabrielse
Ug K ETotal Energy Doesn’t Change
+ =
J. Gabrielse
Us +
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J. Gabrielse
Energy Notes (Continued):
![Page 14: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/14.jpg)
J. Gabrielse
Conservation of Energy with a Pendulum
When is the pendulum moving the fastest?
![Page 15: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/15.jpg)
J. Gabrielse
Conservation of Energy with a Pendulum
When is the pendulum moving the fastest?
at the lowest point
![Page 16: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/16.jpg)
J. Gabrielse
Conservation of Energy with a Pendulum
When does the pendulum have the most kinetic energy?
at the lowest point
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J. Gabrielse
Conservation of Energy with a Pendulum
When does the pendulum have the most
gravitational potential energy?
at the highest point
![Page 18: Conservation of Energy (E)](https://reader035.vdocuments.us/reader035/viewer/2022062518/56814834550346895db5549a/html5/thumbnails/18.jpg)
J. Gabrielse
E
Conservation of Energy with a Pendulum
KUg
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J. Gabrielse
E
Conservation of Energy with a Pendulum
KUg
Gravitational Potential Energy Depends on Height
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J. Gabrielse
EUg
Kinetic Energy Depends on Speed
Conservation of Energy with a Pendulum
K
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J. Gabrielse
EKUg
E = Ug + K
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J. Gabrielse
EKUg
Total Energy Doesn’t Change
+ =
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J. Gabrielse
A E
DC
B
Pendulum Review
Where is the gravitational potential energy maximum?
Where is the kinetic energy maximum?
Where is the gravitational potential energy minimum?
Where is the kinetic energy minimum?
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J. Gabrielse
Your Turn
Conservation of Energy