| Motion due to gravity | Friction | Newton's First Law |
|---|---|---|
|
What is mass
Amount of matter in a given volume
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What is friction
The resistance of motion when one object rubs against another
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What is inertia
The tendency of an object to resist changes in its velocity
|
|
What is volume
The amount of space an object takes up
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What is opposite
Friction works in the _____________ direction that an object wants to move
|
What is rest
When an object is no longer moving.
|
|
What is gravity
Force that exists between 2 objects
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What is lubrication
Grease or oil act as a _____________ to reduce friction
|
What is Newton's first Law of Motion
An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force.
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What is weight
A measure of the force of gravity pulling on an object
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What is heat energy
When friction is at work, the moving object's kinetic energy changes to
|
What is motion
The change in position over time
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