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2 cards from this section. Quick, good the night before a test.
What is friction?
Think about what happens when you rub your hands.
Name a type of friction.
Consider what happens when you slide or roll objects.
What type of friction is at play when you push a stationary object?
Recall which type stops motion.
True or False: Rolling friction is greater than sliding friction.
Think about how wheels work on vehicles.
If given a choice between rubber and wood for a tire's surface, which would provide better grip and why?
Consider material properties and the concept of friction.
How would you decrease friction in a sliding motion application, such as in a drawer? Suggest features.
Think about mechanisms that facilitate smooth movement.
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