Two Carts of Unequal Mass that Move Apart

Concept Overview:

1. Newton's 3rd Law
2. Acceleration is an inverse function of mass

Lecturer Procedure

Step(s) to Follow

1. Demonstrate the ease of rolling the connected cars back and forth, showing they can coast with considerable freedom.
2. Use scissors to cut string between the boxes.

Expected Result

Cars will travel in opposite directions; the less massive car will have the greater acceleration

Alternate Demonstration

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