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Transcript 
Please
be
Seated
Interesting web pages:
1. Summer activities
2. Books and Projects
3. Acoustics DVD set
4. Physics Olympics
5. Question of the Week
Going in Circles
with Physics
Physics is Phun
March 2006
Government research:
The Swing
Rotational mechanics:
Inertia,
centripetal force, and
centrifugal reaction
Where does the ball go after it leaves
the end of the tube?
Click on picture for answer.
F=
2
mv /r
=
2
mrω
F = centripetal force
m = mass
v = velocity
r = radius
ω = angular velocity
As the rotational speed of the
plate increases, in what order
will the magnets fly off the plate?
Click on picture for answer.
Rotational
Dynamics
Gyroscopes
Angular
momentum
L = mvr = Iω
L = angular momentum
m = mass
v = velocity
2
I = moment of inertia = mr
ω = angular velocity = v/r
Pumping
a
Swing
Pumping a Swing: Simplified
Angular momentum
with
two components
Coriolis
Phenomena
Smithsonian Foucault Pendulum
2-D Coriolis Effect
Click on picture for experiment.
3D Coriolis effect
Spirograph Nebula
The End
See you in May!
We are on the web at
http://www.physics.umd.edu/lecdem/
Animated Gifs compliments of bellsnwhistles.com
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