INTRO TO SIMPLE MACHINES:GEARS

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In the K'NEX Introduction to Simple Machines and Gears Kit for physical science and physics, investigate and experiment with these real-world gear

Introduction to Simple Machines: Gears

Simple machine - Wikipedia

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How Gears Work

Eisco® Simple Machines: Gear Train Model

2.9 Simple machines in Physics

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Simple Machines, Gear Rack — Eisco Labs

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PDF file

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