CLASS DEMONSTRATIONS - PHYS 104, Spring 2003

Last update: May 9, 2003

Students are not responsible for demonstrations in square brackets [like these]; they were not shown in class.

Jan. 29:

C3-02: INERTIA - TABLECLOTH TRICK

C3-04: INERTIA - LEAD BRICK AND HAND

C3-05: INERTIA - PEN IN BOTTLE

C3-11: STRAW AND POTATO

C3-12: PENCIL AND PLYWOOD

C3-21: INERTIAL MASS CART

C2-01: AIR TRACK - CONSTANT VELOCITY AND UNIFORM ACCELERATION

Jan. 31:

C2-06: BALL DROP ON ROPE - EQUAL AND UNEQUAL INTERVALS or

C2-07: FREE FALL - EQUAL TIME INTERVALS

C2-09: FREE FALL WITH STROBE

C2-21: BALLS DROPPED AND SHOT

C4-01: AIR TRACK - NEWTON'S SECOND LAW

C4-03: ACCELERATION BY ITERATED BLOWS

C4-33: FREE FALL IN VACUUM - FEATHER AND BALL

Feb. 3:

C2-22: MONKEY AND HUNTER

[C2-26: FUNNEL CART WITH MASS OVER PULLEY]

[C2-27: FUNNEL CART ON INCLINE]

C2-41: VECTOR ADDITION OF VELOCITIES

C4-52: WEIGHTLESSNESS IN FREE FALL - MASS IN CUP ON POLE

C5-01: NEWTON'S THIRD LAW - STATIC DYNAMOMETERS

[C5-19: ACTION AND REACTION - INSTRUCTOR AND CART]

C8-23: WORK DONE BY PUSHING ON WALL

[B3-22: SCREW JACK - HUMAN LIFT]

Feb. 5:

B1-01: CENTER OF MASS - DISC SECTION

B1-14: CENTER OF MASS - BOTTLE

B1-17: CENTER OF MASS - STICKS

B2-32: EQUILIBRIUM OF TORQUES - LARGE

B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK

B2-42: ARM MODEL

B3-02: LEVERS - THREE CLASSES

B3-03: LEVER - WRECKING BAR

Feb. 7 --> 10:

D2-01: RING AND DISC ON INCLINED PLANE

[C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT]

C6-03: INCLINED PLANE - FRICTION WITH THREE BLOCKS

C6-14: SOCIAL CLIMBER

D1-61: ROLLING VERSUS SLIDING

D1-82: ROLLING FRICTION

BOX ON ROLLERS

Feb. 12:

C7-01: AIR TRACK - ELASTIC COLLISIONS

C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER

C7-11: COLLISIONS OF BALLS - EQUAL MASSES (Newton's Cradle)

C7-23: MEDICINE BALL AND SKATEBOARD

D3-03: ROTATING CHAIR AND WEIGHTS

D3-05: ROTATING CHAIR AND BICYCLE WHEEL

Feb. 14:

D2-02: MISCELLANEOUS BODIES ON INCLINED PLANE

D2-11: HINGED STICK AND FALLING BALL

B4-01: HOOKE'S LAW

B4-02: HOOKE'S LAW - COMPRESSING A SPRING

B4-11: ELASTIC LIMIT OF RUBBER BAND

C4-53: WEIGHTLESSNESS IN FREE FALL - MASS ON SPRING

{C4-61: ACCELERATION ON A SCALE}

C4-62: DROPPED SLINKY

Feb. 17--> 21:

C7-12: COLLISION OF BALLS - ONE LIGHTER MASS

C7-13: COLLISIONS OF BALLS - GRADUATED MASSES

C7-14: COLLISIONS OF BALLS WITH FLOOR

C7-15: COLLISIONS OF BALLS - 3 TO 1 MASS RATIO

C7-16: HAPPY AND UNHAPPY BALLS

C7-18: COLLISION OF BALLS -- ASTRO BLASTER

C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS

D2-21: CENTER OF PERCUSSION - BAT AND MALLET

[G3-21: TRANSVERSE WAVES ON A LONG SPRING]

[G3-23: TRANSVERSE WAVES ON A LONG SPRING - FREE END]

Feb. 24:

C8-04: HILL TRACK

D1-34: ROTATING MASS ON SPRING

D1-38: MAGNETSLINGER

[D1-39: PENNY AND COAT HANGER]

D1-41: ROTATING WATER BUCKET

D1-52: FAIRGROUND ROTOR

D1-53: LOOP-THE-LOOP

D1-55: ROTATING ELASTIC RINGS

Feb. 26:

C4-15: HELIUM BALLOON IN ACCELERATED BOX

F2-01: ARCHIMEDES' PRINCIPLE

F2-07: BUOYANCY - PEPSI AND DIET PEPSI

F2-13: BOUYANCY - EXPANDING BALLOON CONUNDRUM

F2-22: BUOYANCY PARADOX - ACCELERATED FRAME

F2-31: BUOYANT BALLS IN BEANS

I3-14: MAGDEBURG HEMISPHERES

I3-16: COLLAPSE OF CAN - LARGE PUMP

I3-33: HELIUM BALLOON ON LIQUID NITROGEN

I3-43: TIRE PRESSURE - UNLOADED AND LOADED

I4-17: AIR BALLOON ON LIQUID NITROGEN

Feb. 28:

F1-03: PASCAL'S VASES

F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL

F2-02: CARTESIAN DIVER

F2-03: CARTESIAN DIVER - EXPLICIT VERSION

F4-52: FORCE PUMP - MODEL

F5-21: VENTURI TUBE WITH MANOMETERS

F5-22: VENTURI TUBE WITH PING PONG BALLS

F5-24: VENTURI TUBE WITH WATER - MANOMETERS

March 3:

F4-01: VISCOSITY OF LIQUIDS

F4-02: VISCOSITY OF AIR

F4-11: LAMINAR AND TURBULENT FLOW OF AIR

F4-25: CYCLONE IN A BOTTLE

F4-42: SMOKE RINGS USING GARBAGE CAN

G1-60: CHAOS - TWO DOUBLE PHYSICAL PENDULA

F5 FILM LOOP: EXAMPLES OF LOW REYNOLDS NUMBER FLOWS

March 5:

C4-41: TERMINAL VELOCITY - BOTTLE IN TUBE

C4-43: TERMINAL VELOCITY - STACKED COFFEE FILTERS

F5-31: MAGNUS EFFECT - FLETTNER'S SHIP

F5-32: CURVE BALL

WHIPPED WOODEN-ROD POINTER

March 7:

F5-03: BERNOULLI'S PRINCIPLE - THIN METAL SHEETS

F5-06: BERNOULLI'S PRINCIPLE - BEACH BALL

F5-09: BERNOULLI'S PRINCIPLE - HAIRDRYER AND PING PONG BALL

F5-11: AIRPLANE WING

March 10:

F4-14: WIND TUNNEL

C5-14: ROCKET TRIKE

C5-17: ROCKET BOTTLE

C5-18: FAN CART

March 14:

E1-11: POTENTIAL WELL -MODEL

I2-43: CONVECTION - HOT PLATE

I2-44: CONVECTION - CANDLE IN CYLINDER

I2-42: FALLING CANDLE

I2-21: THERMAL CONDUCTIVITY OF METALS

March 17:

I2-06: THERMOPILE WITH AUDIO OSCILLATOR

I2-08: RADIATIVE HEAT TRANSFER

[I2-10: DEWARS - SILVERED AND UNSILVERED]

I2-11: THERMOS BOTTLE

K8-01: ELECTROMAGNETIC WAVE - MODEL

L3-16: FOCUSING OF HEAT WAVES BY MIRRORS

N1-05: SPECTRA - VISIBLE AND INVISIBLE

N1-07: VARIATION OF SPECTRUM WITH LAMP INTENSITY

[P2-21: BLACK BODY MODEL]

March 19:

L1-03: LIGHT BULB WITHOUT VACUUM

I1-12: THERMAL EXPANSION - BALL AND RING

I1-13: THERMAL EXPANSION - BIMETAL STRIP

I1-15: THERMAL EXPANSION - PIN BREAKER

I1-18: BIMETALLIC STRIP THERMOMETERS

March 21:

I4-32: FREEZING WATER BY PUMPING

I4-18: PULSE GLASS

March 31:

I5-11: ADIABATIC PROCESS - AIR PISTON WITH THERMISTOR

I5-22: FIRE SYRINGE

I5-21: HEATING AIR BY COMPRESSION

I5-33: STEAM ROLLER

April 2:

I5-33: STEAM ROLLER

J1-01: TRIBOELECTRICITY - CHARGING BY FRICTION

J1-04: KILOVOLT INSTRUCTOR

J1-05: CHARGED BALLOONS

J1-26: VAN DE GRAAFF - REPULSION OF PIE PANS

J2-15: ELECTROSTATIC SMOKE PRECIPITATOR

J3-01: EXISTENCE OF ELECTRIC FIELDS

April 4:

J2-14: LIGHTNING ROD SIMULATOR

J2-15: ELECTROSTATIC SMOKE PRECIPITATOR

J2-13: PLASMA MACHINE - EYE OF THE STORM

April 7:

K5-12: BATTERY AND CIRCUIT - WORKING MODEL

K5-13: ELECTRIC CURRENT - MODEL

[K6-01: SERIES AND PARALLEL LIGHTS - TWO BULBS]

K6-21: HEATING IN CURRENT-CARRYING WIRE

April 9:

K5-31: OHM'S LAW

K3-04: DEMOUNTABLE TRANSFORMER - V VS N - OSCILLOSCOPE

K3-05: DEMOUNTABLE TRANSFORMER - WELDER

April 14:

H1-02: SPEAKER AND CANDLE

H1-11: MICROPHONE AND OSCILLOSCOPE

J5-06: MAGNET - BROKEN BUT NO MONOPOLE

J5-35: MAGNETS INTERACTING ON PIVOTS

J5-33: TORQUE ON A BAR MAGNET

J7-01: LODESTONE

J7-12: CURIE POINT OF IRON

J7-23: MAGNETIC DOMAINS - MODEL

April 16:

J7-24: BARKHAUSEN EFFECT

J6-01: ELECTROMAGNET WITH BANG

K2-01: EARTH INDUCTOR

K2-04: FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS

April 18:

K7-03: INDUCTOR DELAYING A LAMP

K7-21: RLC CIRCUIT - 10 KHZ - RESONANCE

K8-03: LIGHT NANOSECOND

K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN

H4-51: MODULATION - AM AND FM

H4-58: MODULATION - AM RADIO

April 21:

K1-03: FORCE ON CURRENT IN MAGNETIC FIELD

K1-12: CATHODE RAY TUBE - DEFLECTION BY MAGNET

K1-15: OSCILLOSCOPE CRT - DEFLECTION BY ELECTRIC FIELD

K1-16: VISIBLE CRT

N3-04: POSITIVE COLOR MIXING IN COLOR TV

O2-03: PERSISTENCE OF VISION - MAGIC WAND

April 23:

K8-51: MICROWAVE OVEN

J4-12: ELECTROSTATIC FORCE - MOVING LUMBER

G4-21: CHLADNI FIGURES - BOWED

April 25:

K8-51: MICROWAVE OVEN

G4-22: CHLADNI FIGURES - OSCILLATOR DRIVEN

N1-07: VARIATION OF SPECTRUM WITH LAMP INTENSITY

L4-01: OPTICAL BOARD - RECTANGULAR SLAB

L4-02: REFRACTION - BEER MUG IN WATER

L4-03: REFRACTION - ROD IN WATER

L4-41: MICROWAVES - REFRACTION BY PRISM

L2-03: MICROWAVES - REFLECTION

April 28:

M7-01 MICROWAVES - POLARIZATION

M7-05: ROPE AND COOKIE COOLERS

N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS

April 30:

M4-21 SOAP FILM INTERFERENCE - SIMPLE LARGE VERSION

M7-07 CROSSED POLAROIDS - E FIELD COMPONENTS

P3-53 ATOMIC ENERGY LEVEL MODEL

May 2:

P3-61 FLUORESCENT LIQUIDS

P3-67 FLUORESCENCE OF LAUNDRY SOAP

L1-32 VISIBLE LASER

May 5:

L6-04: OPTICAL BOARD - RAY DIAGRAM - REAL IMAGE POS LENS

L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB

L6-31: STRING MODEL - SPHERICAL ABERRATION

L6-33: STRING MODEL - CHROMATIC ABERRATION

May 7:

H4-67: CD WITH HOLE

May 9:

M2-01: LASER DIFFRACTION - PINHOLES

L5-02: TOTAL INTERNAL REFLECTION IN LONG TANK

L5-13 PLEXIGLASS SPIRAL WITH LASER

L5-24 FIBER OPTICS - COMMUNICATION LINE

P4-01: GEIGER COUNTER

May 12:

P4-01: GEIGER COUNTER

P4-11: RADIOACTIVE DECAY MODEL - DICE

[P3-31: X-RAY TUBE]

May 14:

P4-06: RADIOACTIVE CONSUMER PRODUCTS

P4-60: Nuclear bomb

P4-62: CHAIN REACTION - MOUSE TRAP MODEL