1
Q
Friction
A
A force resulting from the contact of two surfaces. This force opposes motion.
2
Q
Kinetic Friction
A
The friction that exists between surfaces when at least one of those surfaces is moving relative to another
3
Q
Static Friction
A
The friction that exists between surfaces when neither surface is moving relative to another.
4
Q
Newton’s First Law
A
The velocity of an object will not change unless the object is acted on by an outside force.
5
Q
Newton’s Second Law
A
When an object is acted on by an outside force, the strength of that force is equal to the mass of the object times the resulting acceleration.
6
Q
Newton’s Third Law
A
For every action, there is an equal and opposite reaction.
Apologia Physical Science
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