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7/25/2019 Moment of Inertia of a Tennis Ball
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7/25/2019 Moment of Inertia of a Tennis Ball
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disk
o
PQ R
Wire
T
mg sin
l
mg cos
mg
x=0 x=xm
(a) (b) (c)
x=-xm
7/25/2019 Moment of Inertia of a Tennis Ball
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t
T=2 I/
7/25/2019 Moment of Inertia of a Tennis Ball
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m1
R
m2
m3
r1
r2
r3
7/25/2019 Moment of Inertia of a Tennis Ball
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(a) (b) (c)
Composite
Tennis ball
Wire
Vernier
Stop watch
Bisected pieces
cylinder
of the ball
Stand
calliper
7/25/2019 Moment of Inertia of a Tennis Ball
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R int
Rext
h1
h2
r1
r2R
d
R sin R d
o
dm
(a) (c)(b)
7/25/2019 Moment of Inertia of a Tennis Ball
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7/25/2019 Moment of Inertia of a Tennis Ball
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