# PHYS141

## C4-22: HORIZONTAL ATWOOD MACHINE

Purpose: Demonstrate the Horizontal Atwood Machine quantitatively.

## C2-09: FREE FALL WITH STROBE

Purpose: Show the position of a dropped ball at a series of equal time intervals

## C1-21: AIR TABLE - TOPPLING STICK

Purpose: Illustrate how a rigid rod topples on a frictionless surface.

## C1-04: CENTER OF MASS - BEAR ON TIGHT ROPE

Purpose: Show stability in system where the center of mass is outside of the object.

## C1-01: CENTER OF MASS MOTION - BARBELL

Purpose: Demonstrate motion of the center of mass of an asymmetric object.

## B2-42: ARM MODEL

Purpose: Model the forces occurring in the arm

## B2-31: EQUILIBRIUM OF TORQUES - WHEELS AND AXLES

Purpose: Demonstrate equilibrium of torques

## B2-23: TORQUE CONDITION FOR EQUILIBRIUM

Purpose: Demonstrate that equilibrium of forces is an insufficient condition for static equilibrium

## B2-22: TORQUE - PHYSICAL DEFINITION

Purpose: Introduce the concept of torque

## B1-14: CENTER OF MASS - BOTTLE

Purpose: Illustrate the center of mass in a surprising way

## C4-34: GALILEO'S EXPERIMENT - MASSES IN FREE FALL

Purpose: Show that the acceleration of bodies in free fall is independent of mass

## C2-25: FUNNEL CART

Purpose: Demonstrate the independence of horizontal and vertical components of motion

## D1-52: FAIRGROUND ROTOR

Purpose: Illustrate the application of rotational forces

## I5-15: ADIABATIC EXPANSION OF CARBON DIOXIDE

Purpose: Illustrate adiabatic cooling by producing dry ice

## C2-21 PROJECTILES DROPPED AND SHOT

Purpose: Demonstrate the independence of horizontal and vertical components of motion

## I5-22 FIRE SYRINGE

Purpose: Demonstrates heating air by compression

## I5-01 MECHANICAL EQUIVALENT OF HEAT - SHOT BAG

Purpose: Demonstrates that heat can be produced from mechanical work

## I4-31 ICE BOMB

Purpose: Demonstrates forces created by freezing water

## I4-15 CONDENSATION OF STEAM - GALLON CAN COLLAPSE

Purpose: Illustrates forces produced by the pressure drop when steam condenses into water

## H1-02 SPEAKER AND CANDLE

Category: H1 Nature of Sound
Purpose: Demontrates longitudinal behavior of sound waves
Page 3 of 5
• #### 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
• 1