Flashcard Set Preview
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| 1 |
What is the definition for force?
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a force is anything that makes apush or a pull to make an object accelerate or decelerate.
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| 2 |
What is a constatn speed?
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When an object travels in an equal amount of time and distance.
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| 3 |
The more __________ and object has the harder it is to stop.
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Momentum.
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| 4 |
What is the equation for momentum?
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p=mv
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| 5 |
What is speed measured in?
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distance and time.
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| 6 |
What are the two types of forces?
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Balance and unbalanced.
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| 7 |
When forces are unbalanced, what occurs?
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Acceleration.
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| 8 |
When forces are balanced, what can happen?
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Either there is no movement, or the movement is at a constant speed.
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| 9 |
How many types of friction are there?
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Four (4)
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| 10 |
What is the strongest form of friction?
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Static Friction
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| 11 |
What is static friction?
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A type of friction that holds an object in place.
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| 12 |
What is sliding friction?
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When one surface slides against another.
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| 13 |
What is rolling friction?
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A type of friction where one surface rolls against another.
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| 14 |
What is fluid?
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Fluid is a liquid or a gas.
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| 15 |
What is fluid friction?
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Fluid friction is friction with liquid and gas.
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| 16 |
Gravity depends on __________ and _________.
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mass, distance
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| 17 |
What is Newtons first law of motion?
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An object in motion tends to stay in motion. An object at rest tends to stay at rest.
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| 18 |
What can stop motion?
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Friction
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| 19 |
What is Newtons first law also called?
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Inertia
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| 20 |
What is Newtons second law of motion?
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Force, mass, and acceleration. a=f/m
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| 21 |
What is Newtons second law of motion?
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Force, mass, and acceleration. a=f/m
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| 22 |
What is Newtons second law of motion?
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Force, mass, and acceleration. a=f/m
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| 23 |
What is Newtons third law of motion?
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For every action, there is an equal and oppisite reaction.
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