Session 7 · Hour 1 · A kindness that trades

1. Hour 1A kindness that trades
2. Hour 2Grow, or shrink
3. Hour 3Six simple machines
4. Hour 4Name the fulcrum

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A kindness that trades. Force for a walk.

CheckA machine trades force for a walk. It does not invent energy. Name lever, pulley, incline. Write MA as effort arm over load arm.