wheel and axle and pulley.

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Age: 8-12
Level: year 4
Language: English (en)
ID: 159772
06/05/2020
Country code: ES
Country: Spain
School subject: Natural Science (1061921)
Main content: Pulleys (1863023)

revision of pulleys

Other contents: simple machines

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wheel and axle and pulley.
wheel and axle and pulley.

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