# Rotational Dynamics

## D2-51: BICYCLE WHEEL PENDULUM

Purpose: Demonstrate the Parallel Axis Theorem.

## D2-43: MOMENT OF INERTIA - TORSIONAL CHAIR AND WEIGHTS

Purpose: Demonstrate the effect of moment of inertia.

## D2-42: MOMENT OF INERTIA -TORSIONAL CHAIR AND BOARD

Purpose: Demonstrate moment of inertia using the torsional chair.

## D2-41: MOMENTS OF INERTIA ABOUT THREE PRINCIPAL AXES

Purpose: Illustrate the three principal axes of a thin aluminum plate.

## D2-32: AIR TABLE - LINEAR AND ANGULAR ACCEL OF A DISC

Purpose: Illustrate the accelerating disc problem.

## D2-21: CENTER OF PERCUSSION - BAT AND MALLET

Purpose: Demonstrate the center of percussion using a baseball bat.

## D2-13: RACING PENDULA

Purpose: Illustrate in a counter-intuitive way the effect of moment of inertia on rotational acceleration.

## D2-12: TOPPLING CHIMNEY

Purpose: Demonstrate how a toppling chimney breaks up.

## D2-11: HINGED STICK AND FALLING BALL

Purpose: Application of the rotational analog of Newton's second law.

## D2-05: DUMBBELL - VARIABLE MOMENT OF INERTIA

Purpose: Demonstrate the effect of moment of inertia.

## D2-04: MOMENT OF INERTIA RODS

Purpose: Demonstrate dynamic effects of the center of mass and moment of inertia

## D2-03: CANS ON INCLINED PLANE - WITH AND WITHOUT WATER

Purpose: Illustrate the effect of moment of inertia on rolling acceleration.

## D1-84: SPINNING CYLINDRICAL SHELL

Purpose: A counterintuitive demonstration of rotational dynamics.

## D1-83: SPOOL

Purpose: Illustrate a counterintuitive problem in rotational dynamics.

## D1-82: ROLLING FRICTION

Purpose: Show the direction of the frictional force when a rolling object is accelerated.

## D1-81: TRICYCLE

Purpose: Illustrate a tricky problem in rotational dynamics.

## D1-65: YO-YO

Purpose: Illustrate transformation between various forms of energy and to perform yo-yo tricks.

## D1-64: MAXWELL PENDULUM - SMALL

Purpose: Demonstrate transformations between gravitational potential energy and rotational kinetic energy.

## D1-63: MAXWELL PENDULUM - LARGE

Purpose: Demonstrate transformations between gravitational potential energy and rotational kinetic energy.

## D1-62: CONSERVATION OF ENERGY IN ROLLING BODY

Purpose: Demonstrate conversion of gravitational potential energy into translational and rotational kinetic energy.
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• #### L3-01: OPTICAL BOARD - CONVEX SPHERICAL MIRROR

Show reflection of light rays from a convex mirror Read More
• #### L3-02: OPTICAL BOARD - RAY DIAGRAM - CONVEX MIRROR

Determine the image position for an object in front of a convex mirror using the three principal rays Read More
• #### L3-03 LARGE CONVEX MIRROR (60cm)

Show the image of a convex mirror Read More
• #### L3-11: OPTICAL BOARD - CONCAVE SPHERICAL MIRROR

Illustrate reflection from a concave spherical mirror Read More
• #### L3-12: OPTICAL BOARD - RAY DIAGRAM - CONCAVE MIRROR

Locate the image of a concave mirror by using the three principal rays Read More
• #### L3-13: OPTICAL BOARD - SPHERICAL ABERRATION IN CONCAVE MIRROR

Show spherical aberration in a spherical mirror Read More
• #### L3-14 LARGE CONCAVE MIRROR (60cm)

Illustrate the types of images created by a concave mirror Read More
• #### L3-16 FOCUSING OF HEAT WAVES BY MIRRORS

Demonstrate that concave mirrors can focus heat waves Read More
• #### L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR

Illustrate focusing of heat in a very dramatic way Read More
• #### L3-19 PENNY AND PARABOLIC MIRRORS

Classic illusion of penny levitating above a pair of parabolic concave mirrors Read More
• #### L3-20: APPARENT REFLECTION FROM REAL IMAGE

Illusion of laser beam reflecting off an image Read More
• #### L3-21: LIGHT BULB AND PARABOLIC MIRROR

Optical illusion with real image of a concave mirror Read More
• #### l3-22: MIRAGE

Demonstrate an optical illusion using concave mirrors Read More
• #### L3-23: IMAGE ON SCREEN USING CONCAVE MIRROR

Show an image produced by a concave mirror Read More
• #### L3-24: OPTICAL BOARD - SPHERICAL AND PARABOLIC MIRRORS

Demonstrate the difference in spherical aberration between concave spherical and parabolic mirrors Read More
• #### L3-25: IMAGE LOCATION WITH TV CAMERA - CONCAVE MIRROR

Locate the image position for a concave mirror Read More
• #### L3-26: PENDULUM AND SPHERICAL MIRROR

Optical illusion using concave mirror Read More
• #### L3-31 GIANT 160cm MIRROR - CONCAVE AND CONVEX

Dramatic demonstration of images of concave and convex mirrors Read More
• #### L3-32: CYLINDRICAL MIRROR DEMONSTRATOR

Demonstration of cylindrical concave and convex mirrors Read More
• #### L3-33: VANITY MIRROR

Show the image produced by a concave mirror Read More
• #### L3-41: ANAMORPHIC ART

Demonstrate a type of anamorphic art Read More
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