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  • A General Materials and Mathematics
    • A1 Basic Materials and Measurement
    • A2 Mathematics
  • B Statics
    • B1 Center of Mass Statics
    • B2 Equilibrium of Forces and Torques
    • B3 Simple Machines
    • B4 Elasticity
  • C Kinematics and Dynamics
    • C1 Center of Mass Motion
    • C2 Kinematics in One and Two Dimensions
    • C3 First Law of Motion
    • C4 Second Law of Motion
    • C5 Third Law of Motion
    • C6 Friction
    • C7 Collisions
    • C8 Mechanical Energy and Power
  • D Rotational Mechanics
    • D1 Rotational Kinematics and Dynamics
    • D2 Moment of Inertia
    • D3 Angular Momentum
    • D4 Gyroscopes
    • D5 Rotational Esoterica
  • E Gravitation and Astronomy
    • E1 Gravitation and Orbits
    • E2 Astronomy
  • F Fluid Mechanics
    • F1 Pressure in Static Fluids
    • F2 Buoyancy
    • F3 Surface Tension
    • F4 Fluid in Motion
    • F5 Forces in Moving Fluids
  • G Vibrations and Mechanical Waves
    • G1 Simple Harmonic Motion
    • G2 Resonance and Coupled Oscillations
    • G3 Mechanical Waves - One Dimensional
    • G4 Mechanical Waves - Two Dimensional
  • H Sound
    • H1 Nature of Sound
    • H2 Wave Properties of Sound
    • H3 Standing Sound Waves
    • H4 Music
    • H5 The Ear
    • H6 The Voice
  • I Thermodynamics
    • I1 Thermal Properties of Matter
    • I2 Transfer of Heat
    • I3 Gases
    • I4 Changes of State
    • I5 Laws of Thermodynamics
    • I6 Kinetic Theory and Statistical Mechanics
    • I7 Solid State and Low Temperature Physics
  • J Electostatics and Magnetostatics
    • J1 Electrostatic Charge and Force
    • J2 Electrostatic Devices and Applications
    • J3 Electric FIelds and Potential
    • J4 Capacitance and Polarization
    • J5 Magnetostatics
    • J6 Electromagnets
    • J7 Magnetic Materials
  • K Electromagnetic Principles
    • K1 Forces on Moving Charges
    • K2 Electromagnetic Induction
    • K3 Transformers
    • K4 Motors and Generators
    • K5 Electrical Properties of Matter
    • K6 Electric Circuits and Instruments
    • K7 RLC Circuits
    • K8 Electromagnetic Waves and Sources
  • L Geometrical Optics
    • L1 Light Sources and Light Rays
    • L2 Plane Mirrors
    • L3 Curved Mirrors
    • L4 Refraction
    • L5 Total Internal Reflection
    • L6 Lenses
    • L7 Optical Instruments
  • M Wave Optics
    • M1 Interference and Diffraction - Slits and Gratings
    • M2 Diffraction - Circular
    • M3 Interferometers
    • M4 Thin Film Interference
    • M5 Interference and Diffraction Esoterica
    • M6 Holograms
    • M7 Linear Polarization and Scattering
    • M8 Optical Activity and Birefringence
    • M9 Circular Polarization
  • N Spectra and Color
    • N1 Continuous Spectra
    • N2 Line Spectra
    • N3 Color
  • O Vision
    • O1 Image Production
    • O2 Visual Latency
    • O3 Color Vision
    • O4 Optical Illusions
  • P Modern Physics
    • P1 Relativity
    • P2 Quantum Mechanics
    • P3 Atoms and Molecules
    • P4 Nuclei and Particles
  • Q Biophysics
    • Q1 Musculoskeletal Systems
    • Q2 Organs
    • Q3 Genetics and Molecular Biology

B1 Center of Mass Statics

Demonstrations in this section focus on the concepts of center of mass and static mechanical equilibrium

Articles
Image Title
B1-01 CENTER OF MASS - DISC SECTION
Demonstrate finding center of mass for an irregularly-shapped object
B1-02: CENTER OF MASS - LEANING TOWER
Demonstrate the effect of center of mass location
B1-03: CENTER OF MASS - LEANING TOWER ON INCLINED PLANE
Demonstrate equilibrium when its center of mass is above its base
B1-04: Center of Mass - Brass Barbell
Demonstrate stable equilibrium when supported at center-of-mass
B1-05: CENTER OF MASS - PLUMBER'S HELPER
Locate the center of mass of an irregular object
B1-06: Double Cone - Large
Demonstrate a center-of-mass paradox
B1-07: DOUBLE CONE - SMALL
Demonstrate a center of mass paradox
B1-08: STATES OF EQUILIBRIUM - CONE
Illustrate stable, unstable, and neutral equilibrium
B1-09: CENTER OF MASS - TRIANGLE
Demonstrate the process of locating the center of mass
B1-11: BALANCE MAN
Illustrate stable equilibrium
B1-12: CENTER OF MASS - HINGED STICK PARADOX
Illustrate the center of mass in a surprising way
B1-13: CENTER OF MASS - FORK AND SPOON ON TOOTHPICK
Illustrate the center of mass in a surprising way
B1-14: CENTER OF MASS - BOTTLE
Illustrate the center of mass in a surprising way
B1-15: TOPPLING CYLINDERS
Illustrate stable and unstable equilibrium in a surprising way
B1-16: CORBELED ARCH
Illustrate how the center of mass affects the stability of an arch
B1-17: CENTER OF MASS - STICKS
Illustrate the center of mass in a surprising way
B1-18: Center of Mass - Soda Can and Water
To demonstrate how an object's behaviour can change when its center of mass does
B1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER
Show how arms or a pole are used to obtain greater stability
B1-22: CENTER OF GRAVITY USING TEETER TOTTER
Determine the center of gravity of the human body
B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD
Show that the center of mass may remain at rest during motion within the system.

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