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Mechanics

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1K 10.20 - Ladder Against a Wall

Demonstrates: Torque forces.
Description: A model ladder is placed against a box and a weight is moved up the ladder until the ladder begins to slip.

1K 20.10 - Friction Blocks

Demonstrates: Frictional forces.
Description: A block with various surfaces is pulled with a spring scale. Or use motion detector instead of spring scale to collect real time data.

1K 20.35 - Angle of Repose

Demonstrates: Angle of repose.
Description: An incline plane is lifted until a block begins to slide.