Joe Rowing @jrowing.com · Jan 2

Very often we ignore drag because it's hard but we can investigate it in the lab - here's a nice set-up with a lever, fan, trolley, ramp and a force meter. Students can streamline the car and lowest force recorded wins! #ITeachPhysics

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Megan HG · Jan 8

Wait, that's so cool! Am I seeing correctly that the lever uses mechanical advantage to amplify what's likely a pretty small force sensor reading?