Physics 141, Fall 2026.

This page list the lecture demos that are used for Physics 141:

• Lecture 1 (9/1/26):
  • ma-01: length
  • ma-02: mass
  • ma-03: time
• Lecture 2 (9/3/26):
  • mb-18: measuring g
• Lecture 3 (9/8/26):
  • mb-14: simultaneous fall
  • md-02: force, mass, and acceleration
• Lecture 4 (9/10/26):
  • mb-16: monkey and the cannon
• Lecture 5 (9/15/26):
  • mn-01: Cavendish balance
• Lecture 6 (9/17/26):
  • Ma-01: crystal model
  • Mx-03: mass on a spring
  • Mx-12: coupled pendulum
  • The demo with the wire that streches when you attach a mass
• Lecture 7 (9/22/26):
  • Mx-01c: Simple Harmonic Motion (Computer)
  • Mx-03: mass on a spring
  • Simple pendulum (just a ball on a wire)
  • Mz-01: Torsion pendulum
  • Mx-09: damped motion
  • Driven harmonic motion (resonance) - with computer.
• Review Exam # 1 (9/24/26)
• Lecture 8 (9/29/26):
• Fd-02: Magdeburg spheres
• Fd-01: crush can with pressure
• Sound in vacuum (bell inside a vacuum chamber to show that sound
  disappearsin a avcuum).
• Mk-01: force of friction
• Mk-02: Rolling and Sliding Friction
• Mk-04: Angle of response
• Lecture 9 (10/1/26):
  • Mr-02: conservation of energy
  • Mr-03: stopped pendulum
  • Mr-06: large pendulum
• Lecture 10 (10/6/26):
  • Mx-01c: Simple Harmonic Motion (Computer)
• Lecture 11 (10/8/26):
  • Ha-05: bi-metal strip
  • Ha-06: thermostat
  • Ha-07: Ball and Ring
  • Hd-01: conduction of heat
  • Hd-05: thermal conductivity of steel
• Fall Break (10/13/26)
• Lecture 12 (10/15/26):
  
  • Of-01: prism. I like to use this with white light to show the decomposition of light.
  • Same as Of-01 except with a Na and a Hg lamp.
  • Interference patterns.
  • The photoelectric effect.
• Lecture 13 (10/20/26):
  • Mp-07: Irregular Shape
  • Mh-03: water rocket
  • Mp-03: disc rolling uphill.
• Lecture 14 (10/22/26):
  • Rocket wheel chair.
• Review Exam # 2 (10/27/26)
• Lecture 15 (10/29/26):
  • Mg-01: Collision balls.
  • Mg-03: Eleastic and inelastic collisions with air carts
  • Mg-04: Realizing equal velocities.
  • Mi-04: Velocity of bullet using air track
  • Mi-02: Recoil of a cannon
• Lecture 16 (11/3/26):
  • Air table for 2D collisions.
• Lecture 17 (11/5/26):
  • Ms-01: Racing discs
  • Ms-02: Rotational energy
  • Mt-02: Ballet dancer wit dumbbells
  • Mt-07: Impact parameter
  • Mu-01: Bicycle wheel
  • Mu-02: Precession of gyro
    Mu-06: Instantaneous axis
  • Mu-16: Monorail car
• Lecture 18 (11/10/26):
• Ms-01: Racing discs
• Ms-02: Rotational energy
• Mt-02: Ballet dancer wit dumbbells
• Mt-07: Impact parameter
• Mu-01: Bicycle wheel
• Mu-02: Precession of gyro
  Mu-06: Instantaneous axis
• Mu-16: Monorail car
• Lecture 19 (11/12/26):
• Ms-02: Rotational energy
• Mt-02: Ballet dancer wit dumbbells
• Mt-07: Impact parameter
• Mu-01: Bicycle wheel
• Mu-02: Precession of gyro
• Mu-06: Instantaneous axis
• Mu-16: Monorail car
• Lecture 20 (11/17/26):
• Mo-01: Loaded beam
• Mo-7: Loaded beam
• Mo-08: Forces on a Ladder
• Mp-07: Irregular Shape
• Mp-11: Shifting center of gravity
• Review Exam # 3 (11/19/26)
• Lecture 21 (11/24/26):
  • Hi-5: diffusion in liquid
  • Hh04: Two Dimensional Kinetic Motion
• Thanksgiving (11/26/26)
• Lecture 22 (12/1/26):
  • No demos.
• Lecture 23 (112/3/26):
  • Hb-2: Heat capacity.
  • Hk-2: Change of volume with change of temperature.
  • Hk-3: Change of volume with change of state.
  • Hh-2: Model of kinetic pressure.
  • Hh-3: Brownian motion.
• Lecture 24 (12/8/26):
  • Hh-2: Model of kinetic pressure.
  • Hh-3: Brownian motion.
  • Hn-3: Steam engine.
  • Hn-5: Heros engine
  • Hn-6: Radiometer
• Lecture 25 (12/10/26):
  • Hn-3: Steam engine.
  • Hn-5: Heros engine
  • Hn-6: Radiometer

Last updated on Sunday, July 12, 2026 11:33