Rotational Dynamics
Ramp
Turntable
T+
0.000
Rotational
Dynamics
Interactive Apparatus
Close
Result
Mass and radius
cancel completely
a
=
g
sin
θ
/ (1 +
k
)
τ
=
M g
sin
θ
·
R
I
= (1+
k
)
MR
²
M
g
sin
θ
·
R
= (1+
k
)
M
R
R
· (
a
/
R
)
Only gravity, the angle, and k survive. A marble beats a hoop every time, whatever it weighs.
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