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Friction
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When does friction occurs? a. when surfaces are not in contact b. when surfaces are in contact
- b. when surfaces are in contact
Give a scenario of where friction is present.
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Give a scenario of where friction is present.
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Give a scenario of where friction is present.
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Where do you think a marble will roll the fastest, on a rough surface or smooth surface? Why?
smooth surface
Where do friction occurs?
- between the tires and the ground - between the pedal and the shoes - between the hand and the handlebar - between the saddle and the bum
Where do friction occurs?
between the pen and the paper
Rough surface has ___ a. lesser friction b. greater friction
b. greater friction
Smooth surface has ___ a. greater friction b. lesser friction
b. lesser friction
It is a push or a pull that changes an object’s motion.
Force
Where do friction occurs?
between the wheels and the ground
It is a force that opposes motion between two surfaces that are in contact.
Friction
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