Statics of Rigid Bodies

B2-01: SUM OF FORCES IN A LINE

Purpose: Demonstrate that forces in one dimension add algebraically

B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD

Purpose: Show that the center of mass may remain at rest during motion within the system.

B1-22: CENTER OF GRAVITY USING TEETER TOTTER

Purpose: Determine the center of gravity of the human body

B1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER

Purpose: Show how arms or a pole are used to obtain greater stability

B1-17: CENTER OF MASS - STICKS

Purpose: Illustrate the center of mass in a surprising way

B1-16: CORBELED ARCH

Purpose: Illustrate how the center of mass affects the stability of an arch

B1-15: TOPPLING CYLINDERS

Purpose: Illustrate stable and unstable equilibrium in a surprising way

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

B1-12: CENTER OF MASS - HINGED STICK PARADOX

Purpose: Illustrate the center of mass in a surprising way

B1-11: BALANCE MAN

Purpose: Illustrate stable equilibrium

B1-09: CENTER OF MASS - TRIANGLE

Purpose: Demonstrate the process of locating the center of mass

B1-08: STATES OF EQUILIBRIUM - CONE

Purpose: Illustrate stable, unstable, and neutral equilibrium

B1-05: CENTER OF MASS - PLUMBER'S HELPER

Purpose: Locate the center of mass of an irregular object

B1-03: CENTER OF MASS - LEANING TOWER ON INCLINED PLANE

Purpose: Demonstrate equilibrium when its center of mass is above its base

B1-02: CENTER OF MASS - LEANING TOWER

Purpose: Demonstrate the effect of center of mass location

B3-12 PULLEY - MECHANICAL ADVANTAGE

Category: B3 Simple Machines
Purpose: Illustrate pulley systems

C6-01 INCLINED PLANE - FRICTION BOX AND WEIGHTS

Category: C6 Friction
Purpose: Shows that the coefficient of friction does not depend upon the mass of the object although the frictional force does.

C3-03 INERTIA - MASSES HANGING IN SERIES

Purpose: Dramatically demonstrate inertia

B4-03: SPRINGS IN SERIES AND PARALLEL

Category: B4 Elasticity
Purpose: Show static combinations of springs
Page 3 of 4
• B4-01 HOOKE'S LAW

Demonstrate the linear relationship between force and stretching for a simple spring. Read More
• B4-02: HOOKE'S LAW - COMPRESSING A SPRING

Demonstrate Hooke's law for a spring under compression. Read More
• B4-03: SPRINGS IN SERIES AND PARALLEL

Show static combinations of springs Read More
• B4-04: SPRING AND STRING THING

Illustrate series and parallel springs in a counterintuitive way. Read More
• B4-11: ELASTIC LIMIT OF RUBBER BAND

Demonstrate Hooke's law and elastic limit. Read More
• B4-12: ELASTIC LIMIT OF SOLDER SPRING

Demonstrate the elastic limit for an inherently inelastic object. Read More
• B4-13: ELASTIC LIMIT OF A BALLOON

Burst a balloon. Read More
• B4-14: ELASTIC LIMIT OF WIRE

Demonstrate the variation in tensile strength with wire diameter. Read More
• B4-21: DEFLECTION OF BEAM - OPTICAL LEVER

Demonstrate the small deflection of an aluminum beam due to weighting between supports. Read More
• B4-31: FAILURE OF WOOD IN COMPRESSION

Demonstrate the dependence of the compressional strength of wooden dowels on their diameter and length. Read More
• B4-32: CAN CRUSHER - WALL STABILITY

Show how a small change in the geometry of the can wall can dramatically affect its ability to support a Read More
• B4-33: EGG CRUSHER

Show that an egg can support unexpectedly high forces due to its curved shape. Read More
• 1