Needs New Photo
C7-16: HAPPY AND UNHAPPY BALLS
Category: C7 Collisions
Purpose:
Illustrate coefficient of restitution.
C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER
Category: C7 Collisions
Purpose:
Illustrate velocity multiplication with a three-to-one mass ratio collision.
C7-03: AIR TRACK - SCATTERING WITHOUT CONTACT
Category: C7 Collisions
Purpose:
Show that elastic scattering can occur between two objects without actual physical contact between the objects.
C7-02: AIR TRACK -INELASTIC COLLISIONS
Category: C7 Collisions
Purpose:
Demonstrate conservation of momentum in elastic collisions.
C7-01: AIR TRACK - ELASTIC COLLISIONS
Category: C7 Collisions
Purpose:
Demonstrate conservation of energy and conservation of momentum in elastic collisions.
C8-34: POWER - INSTRUCTOR DRAGGING CONCRETE BLOCK
Category: C8 Mechanical Energy and Power
Purpose:
Demonstrate power
C8-33: POWER - USING GRAVITY
Category: C8 Mechanical Energy and Power
Purpose:
Demonstrate mechanical power.
C8-32: POWER - CLIMBING LADDER
Category: C8 Mechanical Energy and Power
Purpose:
A simple method for illustrating power and the unit of the horsepower.
C8-23: WORK DONE BY PUSHING ON WALL
Category: C8 Mechanical Energy and Power
Purpose:
Illustrates that the wall and the floor do no work.
C8-13: BUNGEE JUMPER MODEL
Category: C8 Mechanical Energy and Power
Purpose:
Determine the minimum value of the spring constant of a bungee rope to ensure a safe jump.
C8-12: JUMPING MASSES WITH INTERNAL SPRINGS
Category: C8 Mechanical Energy and Power
Purpose:
Demonstrate conversion of internal energy of a spring into kinetic energy and then gravitational potential energy.
C8-05: CONSERVATION OF ENERGY IN VERTICAL PROJECTILE
Category: C8 Mechanical Energy and Power
Purpose:
Show the relation between initial velocity and height of a vertical projectile.
C6-16: SLIDING AND STATIC FRICTION
Category: C6 Friction
Purpose:
Show that the friction force depends linearly on the normal component of the applied force.
C6-15: SOCIAL DESCENDER - FRICTION TOY
Category: C6 Friction
Purpose:
Illustrate frictional forces in a weird way.
C6-12: SKIDDING AUTOMOBILE
Category: C6 Friction
Purpose:
Demonstrate the effect of locked wheels on vehicle stability.
C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT
Category: C6 Friction
Purpose:
Show the effect on frictional force of velocity, normal force, and contact area.
C6-05: AIR TRACK - INCLINED PLANE FRICTION
Category: C6 Friction
Purpose:
Show that the force of friction depends upon the conditions of the surfaces in contact.
C6-04: FRICTION DIRECTION ON INCLINED PLANE
Category: C6 Friction
Purpose:
Determine the direction of the frictional force in a possibly ambiguous situation.
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I4-01: PVT PHASE DIAGRAMS FOR CO2 AND H2O
Three-dimensional PVT phase diagram models. Read More
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I4-02: PVT SURFACE - TRANSPARENT
Illustrate aspects of phase transitions. Read More
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I4-03: LATENT HEAT - ICE TO WATER TO STEAM
Illustrate aspects of phase transitions. Read More
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I4-11: BOILING AT REDUCED PRESSURE
Demonstrate that water boils at a lower temperature under reduced pressure. Read More
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I4-12: BOILING WATER BY PUMPING
Demonstrate water boiling under reduced pressure. Read More
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I4-13: CHANGE OF STATE OF LN - POPPING CAN LID
Show the increase in volume which accompanies the transition from liquid to gaseous nitrogen. Read More
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I4-14: CHANGE OF STATE WITH BANG
Show the increase in volume which accompanies the transition from liquid to gaseous nitrogen. Read More
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I4-15 CONDENSATION OF STEAM - GALLON CAN COLLAPSE
Illustrates forces produced by the pressure drop when steam condenses into water
Read More
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I4-16: DRINKING BIRD
Illustrates forces produced by the pressure drop when steam condenses into water
Read More
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I4-17: AIR BALLOON ON LIQUID NITROGEN
Demonstrate dramatically that the volume of vapor is greater than the volume of the same amount of liquid. Read More
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I4-18: PULSE GLASS
Illustrate change of phase between liquid and vapor in an confined fluid. Read More
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I4-19: CONDENSATION OF STEAM - SODA CAN COLLAPSE
Surprising demonstration using condensation of steam. Read More
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I4-31 ICE BOMB
Demonstrates forces created by freezing water
Read More
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I4-32: FREEZING WATER BY PUMPING
Freeze water by reducing the ambient pressure. Read More
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I4-33: CRYOPHORUS
Illustrate freezing caused by cooling by evaporation. Read More
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I4-34: HAND WARMER
Demonstrate the heat of fusion. Read More
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I4-35: LOWERING THE FREEZING POINT OF WATER USING SALT
Demonstrate that the freezing point of water can be reduced by putting ice in a salt water bath. Read More
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I4-36: REGELATION - ICE UNDER PRESSURE
Demonstrate regelation. Read More
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I4-51: SUBLIMATION OF DRY ICE - PROJECTION
Demonstrate sublimation of carbon dioxide (dry ice) from a solid into a gas. Read More
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I4-52: CARBON DIOXIDE BALLOON ON LIQUID NITROGEN
Demonstrate condensation sublimation. Read More
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I4-61: BINARY PHASE TRANSITION - CRITICAL OPALESCENCE
Show the behavior of a binary fluid as it passes through the critical temperature. Read More
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