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B3-01: LEVER AND LOADED WAGON
Category: B3 Simple Machines
Purpose:
Demonstrate the mechanical advantage of a lever
B2-42: ARM MODEL
Category: B2 Equilibrium of Forces and Torques
Purpose:
Model the forces occurring in the arm
B2-36: EQUILIBRIUM OF TORQUES ON METERSTICK - ROTATORS
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-34: EQUILIBRIUM OF TORQUES - ANGLE BRACKET
Category: B2 Equilibrium of Forces and Torques
Purpose:
Verify the equation for torques when the center of mass is outside the object
B2-33: EQUILIBRIUM OF TORQUES - SMALL
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-31: EQUILIBRIUM OF TORQUES - WHEELS AND AXLES
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-21: CONCEPT OF TORQUE - TORSIONAL CHAIR
Category: B2 Equilibrium of Forces and Torques
Purpose:
Introduce the concept of torque
B2-14: SUM OF FORCES - LARGE ROPE VERSION
Category: B2 Equilibrium of Forces and Torques
Purpose:
Develop a feel for equilibrium of forces on a large scale
B2-12: EQUILIBRIUM OF FORCES - BOARD BACKGROUND
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of forces
B2-11: EQUILIBRIUM OF FORCES - OHAUS PROJECTION
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of forces
B2-04: VERTICAL FORCES - FOUR SPRING SCALES
Category: B2 Equilibrium of Forces and Torques
Purpose:
Show addition of forces along a line
B2-03: EQUILIBRIUM OF FORCES - INCLINED PLANE
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of forces
B2-02: SUM OF FORCES - SPRING SCALES
Category: B2 Equilibrium of Forces and Torques
Purpose:
Show that the sum of forces exerted on the mass by the scales is constant
B2-01: SUM OF FORCES IN A LINE
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate that forces in one dimension add algebraically
B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD
Category: B1 Center of Mass Statics
Purpose:
Show that the center of mass may remain at rest during motion within the system.
B1-22: CENTER OF GRAVITY USING TEETER TOTTER
Category: B1 Center of Mass Statics
Purpose:
Determine the center of gravity of the human body
B1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER
Category: B1 Center of Mass Statics
Purpose:
Show how arms or a pole are used to obtain greater stability
B1-17: CENTER OF MASS - STICKS
Category: B1 Center of Mass Statics
Purpose:
Illustrate the center of mass in a surprising way
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B4-01 HOOKE'S LAW
Demonstrate the linear relationship between force and stretching for a simple spring. Read More
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B4-02: HOOKE'S LAW - COMPRESSING A SPRING
Demonstrate Hooke's law for a spring under compression.
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B4-03: SPRINGS IN SERIES AND PARALLEL
Show static combinations of springs Read More
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B4-04: SPRING AND STRING THING
Illustrate series and parallel springs in a counterintuitive way.
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B4-11: ELASTIC LIMIT OF RUBBER BAND
Demonstrate Hooke's law and elastic limit.
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B4-12: ELASTIC LIMIT OF SOLDER SPRING
Demonstrate the elastic limit for an inherently inelastic object.
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B4-13: ELASTIC LIMIT OF A BALLOON
Burst a balloon.
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B4-14: ELASTIC LIMIT OF WIRE
Demonstrate the variation in tensile strength with wire diameter.
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B4-21: DEFLECTION OF BEAM - OPTICAL LEVER
Demonstrate the small deflection of an aluminum beam due to weighting between supports.
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B4-31: FAILURE OF WOOD IN COMPRESSION
Demonstrate the dependence of the compressional strength of wooden dowels on their diameter and length.
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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
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B4-33: EGG CRUSHER
Show that an egg can support unexpectedly high forces due to its curved shape.
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