# PHYS141

## F2-03: CARTESIAN DIVER - EXPLICIT VERSION

Category: F2 Buoyancy
Purpose: Demonstrate explicitly how a cartesian diver works by showing how the water enters the diver when the pressure in the cylinder is increased.

## F1-11: HYDRAULIC PRESS

Purpose: Demonstrate dramatically Pascal's Law and the large forces attainable using hydraulic systems.

## F1-03: PASCAL'S VASES

Purpose: Demonstrate that pressure is dependent only on depth, and not on the shape of the container.

## D2-51: BICYCLE WHEEL PENDULUM

Purpose: Demonstrate the Parallel Axis Theorem.

## D2-11: HINGED STICK AND FALLING BALL

Purpose: Application of the rotational analog of Newton's second law.

## D1-83: SPOOL

Purpose: Illustrate a counterintuitive problem in rotational dynamics.

## D1-55: ROTATING ELASTIC RINGS

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

## 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.

## D1-30: TRAJECTORY FROM CIRCULAR ORBIT - OVERHEAD PROJECTOR

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

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

Category: C7 Collisions
Purpose: Show that a larger impulse is imparted by an elastic collision.

## C7-12: COLLISION OF BALLS - ONE LIGHTER MASS

Category: C7 Collisions
Purpose: Show what happens when one mass in a collision ball set is different from the others.

## C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER

Category: C7 Collisions
Purpose: Illustrate velocity multiplication with a three-to-one mass ratio collision.

## C8-34: POWER - INSTRUCTOR DRAGGING CONCRETE BLOCK

Purpose: Demonstrate power

## C8-33: POWER - USING GRAVITY

Purpose: Demonstrate mechanical power.

## C8-03: GALILEO'S PENDULUM

Purpose: Demonstrate conservation of energy in a simple system.

## 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.

## G4-22: CHLADNI FIGURES - OSCILLATOR DRIVEN

Purpose: Show two-dimensional standing waves in a metal plate

## C5-31: AIR TRACK - SAILING UPWIND

Purpose: Show how force components can be used to sail against the wind.

## C5-12: BALLISTIC CANNON CARTS

Purpose: Demonstrate Newton's third law of motion
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• #### F1-01 FLUID PRESSURE VS. DEPTH

Demonstrates that fluid pressure increases linearly with depth and is isotropic. Read More
• #### F1-02: FLUID PRESSURE VS DEPTH - ANEROID GAUGE

Show water pressure versus depth with an aneroid gauge. Read More
• #### F1-03: PASCAL'S VASES

Show water pressure versus depth with an aneroid gauge. Read More
• #### F1-04: EQUILIBRIUM TUBES

Demonstrate that pressure is transmitted equally throughout a fluid. Read More
• #### F1-05: DOES WATER SEEK ITS OWN LEVEL?

A trick to challenge the students. Read More
• #### F1-06 WATER SEEKS ITS OWN LEVEL

Demonstrate that pressure is dependent only on depth, and not on the shape of the container. Read More
• #### F1-11: HYDRAULIC PRESS

Demonstrate dramatically Pascal's Law and the large forces attainable using hydraulic systems. Read More
• #### F1-12: PASCAL'S LAW - COILED TUBE PARADOX

Illustrate Pascal's law in a dramatic way. Read More
• #### F1-13: CONSTANT WATER PRESSURE

Demonstrate a mechanism which produces a constant water pressure. Read More
• #### F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL

Show that with an incompressible fluid the bigger piston moves more slowly than the smaller piston. Read More
• #### F1-15: PRESSURE GLOBE

Demonstrate principles of air pressure. Read More
• #### F1-21: LIPLESS STRAW

Demonstrate the role of atmospheric pressure in the operation of a drinking straw. Read More
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