1N20.20 - Conservation of Linear Momentum - Air Track
The air track must be level for this experiment to work. Take the spring car and turn the camera timer 1/4 of a turn then cock the spring. Set the spring car and one of the other cars with the same mass (small magnet) in the middle of the air track. The small magnet must be against the spring plunger of the spring car. Start the camera timer and steady the cars on the air track. When the timer goes off the cars should travel at the same speeds to the ends of the track. Mass ratios 1:1, 1:2, and 1:3 are possible in this arrangement.
- Darren Broder, James Burleigh, Matthew Christian, Shawn Mowry, George E. Hassel, "A New Take on Exploding Carts", The Physics Teacher, Volume 55, November 2017, pg. 475.
- James L. Hunt, "Five Quantitative Physics Experiments (Almost) Without Special Apparatus", TPT, Vol. 43, # 7, Oct. 2005, p. 412.
- John L. Roeder, "Analyzing Collisions in Terms of Newton's Laws", TPT, p. 97, Vol. 41, # 2, Feb. 2003.
- E. Roger Cowley, Brian Holton, George K. Horton, "A Thought-Provoking Demonstration", TPT, Vol. 36, # 1, p. 24, Jan. 1998.
- E. Roger Cowley, Brian Holton, George K. Horton, "Blocks and Bullets Demo", TPT, Vol. 36, # 4, p. 198-199, April 1998.
- George K. Horton, "Cowley, Holton, Horton Comment", TPT, Vol. 36, # 4, p. 199, April 1998.
- Claude C. Hartman, "Momentum vs. Kinetic Energy", TPT, Vol. 6, # 4, April 1968, p. 177.
- Thomas R. Carver, John O. Crawford, "A 'Spectacular' for a Lecture Demonstration of Two-Body Interaction", AJP, Vol. 41, #7, July 1973, p. 922.
- Robert Ehrlich, "E.7, Momentum Conservation Using an Embroidery Hoop", Turn the World Inside Out, p. 59.
- David Kutliroff, "44, Conservation of Momentum in an Explosion", 101 Classroom Demonstrations and Experiments For Physics Teachers, p. 100.
- David Kutliroff, "45, Demonstrate Conservation of Momentum with Two Pendulums", 101 Classroom Demonstrations and Experiments For Physics Teachers, p. 101.
- David Kutliroff, "46, Illustrate the Difference Between Momentum and Kinetic Energy", 101 Classroom Demonstrations and Experiments For Physics Teachers, p. 103.
- Borislaw Bilash II, David Maiullo, "Exploding Carts", A Demo a Day: A Year of Physics Demonstrations, p. 110.
- Robert Ehrlich, "Momentum Conservation on a Ruler", Why Toast Lands Jelly-Side Down, p. 81- 82.
Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.