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Part 1: Two Forces
Part 2: Magnetic Forces Investigation
Balanced and Unbalanced Forces (2:35 min)
Examples given from a physics viewpoint.
Preps students for Foss: Inv. 1 i-check (question 4)
Part 3: More about Forces
Part 1: Wheel-and-Axle Systems
Part 2: Predicting Motion of New Systems
Part 3: Twirly Birds
Part 4: Tops
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