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4 cards from this section. Quick, good the night before a test.
What is friction?
Think about what happens when you push a book.
Name two types of friction.
One is when an object is at rest.
What type of friction opposes the start of motion?
Think about starting to push an object that's not moving.
True or False: Smoother surfaces create more friction.
Reflect on how easy or hard it is to slide on a smooth surface.
Imagine you have a car driving on a highway and then onto a gravel road. Describe how friction impacts its performance.
Consider how tire grip varies on different surfaces.
Design an experiment where you can compare static and sliding friction using household items.
Focus on keeping measurements consistent.
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