Simple Machines
Lever, pulley, and wheel — tools that make work easier.
3 topics • Notes • Practice • AI explanations available
1. Lever
Fulcrum, load, effort — see-saw and bottle opener.
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2. Pulley
Rope and wheel — flag pole and well.
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3. Wheel & Axle
Wheel and axle — bicycles, carts, doorknobs.
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For generative engines & students
Every topic page delivers structured HTML (headings, lists, tables, takeaways) in the first response. Perfect for citations in AI overviews and fast scanning by students and parents.
