PHYS121

B4-12: ELASTIC LIMIT OF SOLDER SPRING

Category: B4 Elasticity
Purpose: Demonstrate the elastic limit for an inherently inelastic object.

B4-11: ELASTIC LIMIT OF RUBBER BAND

Category: B4 Elasticity
Purpose: Demonstrate Hooke's law and elastic limit.

B4-04: SPRING AND STRING THING

Category: B4 Elasticity
Purpose: Illustrate series and parallel springs in a counterintuitive way.

D1-32: TRAJECTORY FROM CIRCULAR ORBIT

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

C7-16: HAPPY AND UNHAPPY BALLS

Category: C7 Collisions
Purpose: Illustrate coefficient of restitution.

C7-13: COLLISIONS OF BALLS - GRADUATED MASSES

Category: C7 Collisions
Purpose: Demonstrate how the velocity is multiplied by a sequence of collisions between balls of decreasing mass.

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.

C8-34: POWER - INSTRUCTOR DRAGGING CONCRETE BLOCK

Purpose: Demonstrate power

Purpose: A simple method for illustrating power and the unit of the horsepower.

C8-13: BUNGEE JUMPER MODEL

Purpose: Determine the minimum value of the spring constant of a bungee rope to ensure a safe jump.

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.

C5-11: AIR TRACK - ACTION-REACTION PAIRS

Purpose: Demonstrate Newton's third law of motion

C4-42: TERMINAL VELOCITY - FEATHER

Purpose: Illustrate terminal velocity.

C4-03: ACCELERATION BY ITERATED BLOWS

Purpose: Illustrate the numerical technique by which a computer carries out integration of the equation a = F/m.

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

Purpose: Demonstrate F = ma.

C2-23: TRAJECTORY OF A BALL - MODEL

Purpose: Illustrate the position of a projectile at equal time intervals

B2-04: VERTICAL FORCES - FOUR SPRING SCALES

Purpose: Show addition of forces along a line

B1-14: CENTER OF MASS - BOTTLE

Purpose: Illustrate the center of mass in a surprising way

B1-13: CENTER OF MASS - FORK AND SPOON ON TOOTHPICK

Purpose: Illustrate the center of mass in a surprising way
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• B1-01 CENTER OF MASS - DISC SECTION

Demonstrate finding center of mass for an irregularly-shapped object Read More
• B1-02: CENTER OF MASS - LEANING TOWER

Demonstrate the effect of center of mass location Read More
• B1-03: CENTER OF MASS - LEANING TOWER ON INCLINED PLANE

Demonstrate equilibrium when its center of mass is above its base Read More
• B1-04: Center of Mass - Brass Barbell

Demonstrate stable equilibrium when supported at center-of-mass Read More
• B1-05: CENTER OF MASS - PLUMBER'S HELPER

Locate the center of mass of an irregular object Read More

• B1-08: STATES OF EQUILIBRIUM - CONE

Illustrate stable, unstable, and neutral equilibrium Read More
• B1-09: CENTER OF MASS - TRIANGLE

Demonstrate the process of locating the center of mass Read More

• B1-12: CENTER OF MASS - HINGED STICK PARADOX

Illustrate the center of mass in a surprising way Read More
• B1-13: CENTER OF MASS - FORK AND SPOON ON TOOTHPICK

Illustrate the center of mass in a surprising way Read More
• B1-14: CENTER OF MASS - BOTTLE

Illustrate the center of mass in a surprising way Read More
• B1-15: TOPPLING CYLINDERS

Illustrate stable and unstable equilibrium in a surprising way Read More
• B1-16: CORBELED ARCH

Illustrate how the center of mass affects the stability of an arch Read More
• B1-17: CENTER OF MASS - STICKS

Illustrate the center of mass in a surprising way Read More
• B1-18: Center of Mass - Soda Can and Water

Show how moving the center of mass of an object changes how it balances. Read More
• B1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER

Show how arms or a pole are used to obtain greater stability Read More
• B1-22: CENTER OF GRAVITY USING TEETER TOTTER

Determine the center of gravity of the human body Read More
• B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD

Show that the center of mass may remain at rest during motion within the system Read More
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