Physics 121,Spring 2026.

This page list the lecture demos that are used for Physics 121:

• Lecture 1 (1/20/26):
  • ma-01: length
  • ma-02: mass
  • ma-03: time
• Lecture 2 (1/22/26):
  • mb-18: measuring g
• Lecture 3 (1/27/26): no demos
• Lecture 4 (1/29/26):
  • mb-14: simultaneous fall
  • mb-16: monkey and the cannon
• Lecture 5 (2/3/26):
  • md-02: force, mass, and acceleration
• Lecture 6 (2/5/26):
  • mk-01: force of friction
  • mk-02: Rolling and Sliding Friction
  • mk-04: Angle of response
• Lecture 7 (2/10/26):
  • mn-01: Cavendish balance
• Review Exam # 1 (2/12/26): no demos
• Lecture 8 (2/17/26): no demos
• Lecture 9 (2/19/26): no demos
• Lecture 10 (2/24/26):
  • Mr-02: conservation of energy
  • Mr-03: stopped pendulum
  • Mr-06: large pendulum
• Lecture 11 (2/26/26):
  • Mr-02: conservation of energy
  • Mr-03: stopped pendulum
  • Mr-06: large pendulum
• Lecture 12(3/3/26):
  • Mp-07: Irregular Shape
  • Mh-03: water rocket
  • Mp-03: disc rolling uphill.
  • Rocket wheel chair.
• Lecture 13 (3/5/26):
  • Mg-01: Collision balls.
  • Mg-03: Elastic 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 14 (3/17/26):
  • Air table for 2D collisions.
• Review Exam # 2 (3/19/26): no demos
• Lecture 15 (3/24/26):
  • 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 16 (3/26/26):
• 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 17 (3/31/26):
• 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 (4/2/26):
• 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 (4/7/26):
• Mo-01: Loaded beam
• Mo-7: Loaded beam
• Mo-08: Forces on a Ladder
• Mp-07: Irregular Shape
• Mp-11: Shifting center of gravity
• Lecture 20 (4/9/26):
  • 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.
• Lecture 21 (4/14/26):
  • Mx-01c: Simple Harmonic Motion (Computer)
• Lecture 22 (4/16/26):
  • Ha-05: bi-metal strip
  • Ha-06: thermostat
  • Ha-07: Ball and Ring
  • Hd-01: conduction of heat
  • Hd-05: thermal conductivity of steel
• Lecture 23 (4/21/26):
  • 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.
• Review Exam # 3 (4/23/26): no demos
• Lecture 24 (4/28/26):
  • Hh-2: Model of kinetic pressure.
  • Hh-3: Brownian motion.
  • Hn-3: Steam engine.
  • Hn-5: Heros engine
  • Hn-6: Radiometer
• Lecture 25 (4//30/26):
  • Hn-3: Steam engine.
  • Hn-5: Heros engine
  • Hn-6: Radiometer

Last updated on Monday, January 12, 2026 9:11