# 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
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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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