Let’s Play Around With Two Big Ideas in Physics. It’ll Be Fun

The first semester of an undergraduate physics course invariably spends a lot of time on two big ideas: The momentum principle and the work energy principle. Both deal with forces acting on an object, which often leads students to think they are similar. In a way, they are, and they play a huge role in almost everything you learn during an introduction to physics. Before I give you a great physics question that uses these ideas, I will go over them in a super-brief physics lesson.

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