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Laws of Motion & Basics of Physics Flashcards | StudBud
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Laws of Motion & Basics of Physics
Laws of Motion & Basics of Physics
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7th Grade Science: Purpose of Quiz is to review class notes (as of 14nov2014).
Flashcards
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Questions
20
Answers
1
When an object at rest stays at rest and an object in motion stays in motion, it is called
initial
inertia
2
Change of speed divided by time is called
acceleration
assimulation
3
Newton has how many Laws of Motion
3
4
4
Mass is the amount of _____ in an object that stays the same.
motion
matter
5
The pulling force between objects is called
force
gravity
6
When two objects contact each other, it is called
fraction
friction
7
Momentum is the _____ of an object's motion.
cause
strength
8
Mass times acceleration equals (or mass x acceleration = )
motion
force
9
The amount of matter in an object is called
mess
mass
10
Inertia is the tendency of an object to stay
in motion.
at rest.
11
______ is the force that slows things down.
Fiction
Friction
12
Acceleration is the change of speed divided by
force
time
13
To slow down means to
decelerate
accelerate
14
Everything in the _____ is in motion.
universe
world
15
Speed and direction equals
acceleration
velocity
16
Velocity refers to
direction and motion
direction and speed
17
A rolling ball is slowed by
friction
fraction
18
For every action there is equal and opposite
direction
reaction
19
Newton used _______ to come up with the Laws of Motion.
observation
experimentation
20
Without friction, objects would NOT
stop.
move.
