Day 41: Modified Atwood’s Machine

Today we finished up the process of discovering Newton’s First Law through interaction diagrams and free body diagrams. We then took velocity vs time data of a modified Atwood’s Machine, where the cart is first at rest, then being pulled by the rope, then coasting when the mass hits the ground. Tomorrow we will whiteboard interaction diagrams and free body diagrams for these three sections of the motion. Thanks to Matt Harding for the idea to do this!

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