Scott, Torque Condition for Equilibrium, AJP 23, 407-409, (1955).
BALANCED TORQUES AND CENTER OF GRAVITY LAB REPORT HOW TO
Mainardi, Demonstration experiments with platform scales, TPTī2-16: VECTOR ADDITION WITH ROPE AND STUDENTS This looks like a section of the Boy Scout manual showing how to whip the ends of a rope so it won't unravel when used.ī2-21: CONCEPT OF TORQUE - TORSIONAL CHAIR None.ī2-22: TORQUE - PHYSICAL DEFINITION None.ī2-23: TORQUE CONDITION FOR EQUILIBRIUM William T. Greenslade, Jr., The force table: Historical variants, TPTī2-12: EQUILIBRIUM OF FORCES - BOARD BACKGROUND Sample Data Sheet.ī2-13: EQUILIBRIUM OF FORCES -LARGE PROJECTION Sample Data Sheet.ī2-14: SUM OF FORCES -LARGE ROPE VERSION Michael Bernstein, Motivation for the Force Vector, TPT 9, 148, (1971).ī2-15: ADDITION OF NON-LINEAR FORCES Raul T. OHAUS FORCE TABLE, Student Lab Manual: Equilibrium of a Rigid Body, No. OHAUS FORCE TABLE, Teacher's Guide: Equilibrium of a Rigid Body, No. OHAUS FORCE TABLE, Student Lab Manual: A Study of Coplanar Concurrent Forces, No. 10-4300, Waldoboro, MAINE, 04572.ī2-02: SUM OF FORCES - SPRING SCALES Iain MacInnes and Rory McPherson, An Illustration of Newton's Third Law, TPT 34, 400 (1996).ī2-03: EQUILIBRIUM OF FORCES Vassilis Stravrinidis, Demonstrating normal forces with kitchenī2-04: VERTICAL FORCES - FOUR SPRING SCALES None.ī2-11: EQUILIBRIUM OF FORCES - OHAUS PROJECTION OHAUS FORCE TABLE, Teacher's Guide: A Study of Coplanar Concurrent Forces, No. Horton, Brian Holton, and Eugene Freidkin, The Leaning Tower of Tiles-Revisited, TPT 35, 214-219 (1997).ī1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER None.ī1-22: CENTER OF GRAVITY USING TEETER-TOTTER Information Sheet with construction details.ī1-23: CENTER OF GRAVITY- WALKING THE PLANK None.ī1-24: CENTER OF GRAVITY- CARTS ON BALANCE BOARD The SCIENCE SOURCE, Dynamic Apparatus (with Hoops), Cat. Paul Chagnon, Animated Displays III: Mechanical Puzzles, TPT 31, 32-37 (1993). Iain MacInnes, An Instructive Mobile, TPT 27, 42, (1989). Leonard Eisner, Leaning Tower of the Physical Reviews, AJP 27, 121-122, (1959).ĭ. Sutton, A Problem of Balancing, AJP 23, 547 (1955). Johnson, Leaning Tower of Lire, AJP 23, 240, (1955). Information Sheet with construction details.ī1-16: CORBELED ARCH Paul B. Kirkham, Choosing the Right System for Analysis of Forces, TPT 34, 402-403 (1996).ī1-15: TOPPLING CYLINDERS M. Scott Welty and Norbert Zarumba, DOING Physics: The Skyhook, TPT 21, 401 (1983).
Toepker, A Center of Gravity Demonstration, TPT 15, 241, (1977). Horowitz, A Simple Demonstration of the Concept of Center of Mass, TPT 10, 464-465, (1972). Melvin, Centroidally Bordered Bodies and the Balancing L, AJP 23, 131-135 (1955).īrother Shamus Mahoney, Center of Gravity Demonstration, TPT 6, 157, (1968).
Ray Turner, 100 Years of Physics and Toys: Balancing Toys, TPT 30, 542-543 (1992).ī1-12: CENTER OF MASS - HINGED STICK PARADOX None.ī1-13: CENTER OF MASS - FORK AND SPOON ON TOOTHPICK M. Vincent Buckwash, Ways to Demonstrate Center of Gravity, TPT 14, 39-40, (1976). Marton, Balance Man: Just One Of Ray Turner's Varied Talents Laurel, Maryland, The News Leader, September 25, 1975. Nuri Balta, New versions of the rolling double cone, TPT 40, 156-157ī1-08: STATES OF EQUILIBRIUM - CONE None.ī1-11: BALANCE MAN Robert J. Smith, Friction and the Balanced Mocko Jumbie, TPT 35, 466-468 (1998).ī1-05: CENTER OF MASS - PLUMBER'S HELPER None.ī1-07: DOUBLE CONE -SMALL Paul Chagnon, Animated Displays III: Mechanical Puzzles, TPT 31, 32-37 (1993). James Casey, Exploring Properties of Forces in Equilibrium, TPT 32, 364-367 (1994).ī1-02: CENTER OF MASS - LEANING TOWER None.ī1-03: CENTER OF MASS - LEANING TOWER ON INCLINED PLANE None.ī1-04: CENTER OF MASS - BRASS BARBELL David J. Greenslade, Jr., Center of Mass Demonstrations Using Ceiling Tile, TPT 30, 240-241 (1992). Greensdale, Jr., Center of Mass Demonstrations Using Ceiling Tile, TPT 30, 240-241, (1992) REFERENCES REFERENCES SECTION B B1: CENTER OF MASS STATICSī1-01: CENTER OF MASS - DISC SECTION Guenter Schwarz, Center of Mass, AJP 36, x, (1968).īill Reid, Center of Mass of a State, TPT 27, 460-461, (1989).