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Mechanics—Rotational, continued
Moment of Inertia Set
Each wand is equal in mass, but the mass of one wand is evenly distributed while the
mass on the other wand can be moved along its length. Students will feel the dramatic
difference between the efforts they use to rotate each wand. The second demonstration
illustrates how changing the moment of inertia of a ring affects the speed at
which it rolls down an inclined plane. Each ring has the same mass, but again, the
mass distribution can be changed on one of the rings. Which ring will roll faster?
Catalog No. Description Price/Each
AP6714 Moment of Inertia Set $158.03
Variable Inertia Kit
Students get involved by varying the distribution of large steel ball bearings inside
the hollow, compartmentalized plastic discs. They can make the discs “center heavy”
or “rim heavy” and see dramatically the effects of rotational inertia as they run them
down an inclined plane. Comes complete with two disc setups, experiment suggestions,
and explanations of the theory.
Catalog No. Description Price/Each
AP4633 Variable Inertia Kit $21.34
Catalog No. Description Price/Each
AP6038 Gyroscope and Gimbal Cradle Kit $84.92
AP1955 Gyroscope 12.63
AP9967 Gravitron Space Gyroscope 12.63
MECHANICS continued on next page.
PHYSICS & PHYSICAL SCIENCE MECHANICS
Gyroscope Bicycle Wheel
By: The Flinn Staff
Amaze your students with an object that appears to defy gravity! Twist the handles of
the spinning handheld bicycle wheel and feel the peculiar body sensation associated
with gyroscopic motion. The resulting resistance illustrates the use of gyroscopes
as stabilizers and navigational devices. Stand on a rotational turntable and dramatically
demonstrate the conservation of angular momentum—you are bound to have
your students’ undivided attention. For a real crowd-pleasing demonstration, tie a
rope to an eye screw in one of the handles of the spinning wheel and it will “violate”
gravity as it refuses to topple over—but it will precess. Comes completely assembled
with spoked bicycle wheel, handles with hand grips and eye screws. Advanced
background information and activity instructions are included. See free video at
flinnsci.com.
Catalog No. Description Price/Each
AP4610 Gyroscope Bicycle Wheel $138.88
AP4609 Rotational Turntable 65.97
Maxwell’s Wheel See page 358.
Gyroscopes
Rotational Turntable
Engineered to provide a low-friction rotating surface for experiments involving the
conservation of angular momentum and rotational kinetic energy. Its low-friction,
ball-bearing design ensures good results. It can be set on a level floor for standing
or placed on a stool for sitting. This platform can support up to 200 pounds and has
non-skid patches to prevent skidding or slipping. Combine this turntable with a
bicycle wheel gyroscope (AP4610) and conduct experiments on gyroscopic precision
and torque.
See free video at flinnsci.com.
Catalog No. Description Price/Each
AP4609 Rotational Turntable $ 65.97
AP6438 Rotational Turntable, Labstool 149.42
Moment of Inertia Set
AP6714
Variable Inertia Kit
AP4633
Gyroscope Bicycle Wheel
AP4610
Gyroscope and
Gimbal Cradle Kit
AP6038
Gyroscope
AP1955
Gravitron Space
Gyroscope
AP9967
Rotational Turntable
AP4609
Rotational
Turntable,
Labstool
AP6438
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