Rotational Dynamics

D1-55: ROTATING ELASTIC RINGS

Purpose: Demonstrate "centrifugal reaction" and to indicate why the earth is oblate.

D1-43: INERTIAL FORCES - BALLS IN ROTATING JARS

Purpose: Demonstrate inertial forces in bodies submerged in air and in water.

D1-42: ROTATING WATER BUCKET WITH SPONGE

Purpose: Illustrate centripetal force and centrifugal reaction with a trick.

D1-40: CENTRIPETAL FORCE ON ROTATING RUBBER BAND

Purpose: Demonstrate centripetal force and centrifugal reaction.

D1-39: PENNY AND COAT HANGER

Purpose: Demonstrate centripetal force and centrifugal reaction in a dramatic way.

D1-36: AIR TABLE - CENTRIPETAL FORCE

Purpose: Show that centripetal force varies with angular velocity.

D1-32: TRAJECTORY FROM CIRCULAR ORBIT

Purpose: Show that the instantaneous velocity of an object executing uniform circular motion is tangent to the circle.

D1-31: TRAJECTORY FROM SPIRAL

Purpose: Show that forces are required to create circular motion.

D1-30: TRAJECTORY FROM CIRCULAR ORBIT - OVERHEAD PROJECTOR

Purpose: Show that the instantaneous velocity of an object executing uniform circular motion is tangent to the circle.

D1-21: ANGULAR VELOCITY - OBERBECK CROSS

Purpose: Measure the angular velocity of a rotating object.

Purpose: Illustrate the complex motion resulting from addition of two angular velocities.

D1-11: CYCLOID - LIGHT BULB ON WHEEL

Purpose: Demonstrate cycloidal motion.

C7-44: COLLISIONS - HOVERPUCKS

Category: C7 Collisions
Purpose: Demonstrate two-dimensional collisions.

C7-42: AIR TABLE - COLLISIONS OF PUCKS

Category: C7 Collisions
Purpose: Qualitatively demonstrate elastic and inelastic two-dimensional collisions.

C6-12: SKIDDING AUTOMOBILE

Category: C6 Friction
Purpose: Demonstrate the effect of locked wheels on vehicle stability.

C4-13: ACCELEROMETER ON ROTATOR

Purpose: Show that the surface of a rotating liquid assumes a parabolic shape.

B2-31: EQUILIBRIUM OF TORQUES - WHEELS AND AXLES

Purpose: Demonstrate equilibrium of torques

B2-21: CONCEPT OF TORQUE - TORSIONAL CHAIR

Purpose: Introduce the concept of torque

D4-22: MONORAIL CAR

Category: D4 Gyroscopes
Purpose: Demonstrate gyroscopic stability

D5-13: FOCAULT PENDULUM - MODEL

Purpose: Model the Foucault pendulum
Page 4 of 6
• D2-01 RING AND DISC ON INCLINED PLANE

Demonstrates effect of rotational inertia on acceleration of an object Read More
• D2-02: Miscellaneous Rolling Bodies On Inclined Plane

Demonstrates effect of rotational inertia on acceleration of an object Read More
• D2-03: CANS ON INCLINED PLANE - WITH AND WITHOUT WATER

Illustrate the effect of moment of inertia on rolling acceleration. Read More
• D2-04: MOMENT OF INERTIA RODS

Demonstrate dynamic effects of the center of mass and moment of inertia Read More
• D2-05: DUMBBELL - VARIABLE MOMENT OF INERTIA

Demonstrate the effect of moment of inertia. Read More
• D2-11: HINGED STICK AND FALLING BALL

Application of the rotational analog of Newton's second law. Read More
• D2-12: TOPPLING CHIMNEY

Demonstrate how a toppling chimney breaks up. Read More
• D2-13: RACING PENDULA

Illustrate in a counter-intuitive way the effect of moment of inertia on rotational acceleration. Read More
• D2-21: CENTER OF PERCUSSION - BAT AND MALLET

Demonstrate the center of percussion using a baseball bat. Read More
• D2-31 OBERBECK CROSS

Illustrates rotational analog of Newton's second law of motion Read More
• D2-32: AIR TABLE - LINEAR AND ANGULAR ACCEL OF A DISC

Illustrate the accelerating disc problem. Read More
• D2-41: MOMENTS OF INERTIA ABOUT THREE PRINCIPAL AXES

Illustrate the three principal axes of a thin aluminum plate. Read More
• D2-42: MOMENT OF INERTIA -TORSIONAL CHAIR AND BOARD

Demonstrate moment of inertia using the torsional chair. Read More
• D2-43: MOMENT OF INERTIA - TORSIONAL CHAIR AND WEIGHTS

Demonstrate the effect of moment of inertia. Read More
• D2-51: BICYCLE WHEEL PENDULUM

Demonstrate the Parallel Axis Theorem. Read More
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