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15 questions
True or False: objects that are smooth have LESS friction than objects that are rough
TRUE
FALSE
Imagine you decide to jump out of an airplane 🛩
Which force is going to pull you down towards earth
Fluid Friction
Static Friction
Gravity
The wind from the airplane
When you go down a slide which two forces are competing in a tug of war?
Gravity and Sliding Friction
Gravity and Rolling Friction
Gravity and Your Friend Pushing You
Gravity and Pushing Friction
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
Friction is an example of _____________
contact force
non contact force
both of these
none of these
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