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Friday, April 6, 2012

Gears and Wheels

Gear and Wheels Part 1

Gears and Wheels Part 2

Motorized Toy Car Challenge video devloped to illustrate concepts in the curriculum: gear speed and direction, circumference, diameter, radius, combining different size gears, driver gear vs driven gear, gear trains, gear ratio, gear friction, gear pairs (compound gears), lever arm, torque, rim force.

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