Mechanics
1J - Statistics of Rigid Bodies
1J - Statistics of Rigid Bodies
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1J 10.12 - Center of Mass Pegboards:
Demonstrates: Center of mass. Description: Pegboards of various shapes and relative size suspended with a string and mass hanging from the point of suspension. |
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1J 10.30 - Teeter Totter:
Demonstrates: Center of gravity. Description: A wooden plank with equidistant marks set on a elevated rod for balancing and a masses to distribute on the plank. |
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1J 11.10 - Center of Mass Tower:
Demonstrates: Exceeding center of gravity. Description: Two part wooden cylinder with free standing lean.. |
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1J 11.20 - Leaning Tower of Lire:
Demonstrates: Exceeding center of gravity. Description: Stacking of equal planks. |
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1J 11.50 - Rolling Uphill:
Demonstrates: Change in center of mass. Description: A triangular based ramp and double coned ball to wedge into ramp. |
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1J 20.20 - Center of mass dumbell:
Demonstrates: Center of mass of a rotating body in trajectory. Description: A dumbell of two nerf balls and hollow plastic arm with a light inside that is throw across the room. |
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1J 30.20 - Tension on a string:
Demonstrates: Equal but opposite forces. Description: Two equal masses suspended on opposite sides of a Newton spring scale. |
| 1J 30.25 - Strongman:
Demonstrates: Resolution of forces. Description: Two unequal lengths of rope support a mass at different angles with spring scales to measure the force on each rope. |
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1J 30.28 - Resolution of Forces:
Demonstrates: Vector addition, resolution of forces. Description: Two spring scales hung with a mass off center between them. |
| 1J 30.40 - Horizontal Boom:
Demonstrates: Resolution forces. Description: Horizontal boom.. |
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1J 40.20 - Meter Stick Balance:
Demonstrates: Center of gravity; torque. Description: New York balance. |