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What are gears and pulleys - KS2 - BBC Bitesize
Gears and pulleys are both simple mechanisms that contain wheels.
↗ https://www.bbc.co.uk/bitesize/topics/z2ft3qt/articles/zwn2s82Gears and pulleys are both simple mechanisms that contain wheels.
↗ https://www.bbc.co.uk/bitesize/topics/z2ft3qt/articles/zwn2s82