Balanced and unbalanced forces
When forces on an object are balanced, they cancel out and the object's motion doesn't change. When forces are unbalanced, the object speeds up, slows down, or changes direction, and how much its motion changes depends on both the size of the unbalanced force and the object's own mass: the same push changes a light object's motion more than a heavy one's.
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Midterm
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This final covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
Final, Part 1 of 2
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Final, Part 2 of 2
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