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Unit 11: Newtons Law Test Review
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Gravity
Terms in this set (42)
Balanced Force
Opposite forces that are equal in size (do not change the speed or direction of an object)
Unbalanced Force
Opposite forces that are not equal in size (can change speed or direction of an object)
Motion
Change in position over a certain amount of time
Force
A push or pull (needed to start, stop, or change the motion of an object)
Mass
The amount of matter in an object
Newton
A unit of force (N)
Speed
Total distance traveled divided by total time it takes to get there
Velocity
The speed and direction of an object
Acceleration
The change in speed between 2 points
Law of Inertia
An object at rest will stay at rest and an object in motion will stay in motion unless acted on by an unbalanced force
Law of Force and Acceleration
The force on an object equals the mass times the acceleration this can be calculated with F=m*a
Law of Action-Reaction
When one object exerts a force on a second object, the second object will react with force that is equal in strength but opposite in direction
How is speed and velocity different?
Velocity is speed and direction
How is acceleration different from speed?
Acceleration is change in speed
Differentiate
Explain he differences between two things
Speed
Distance/time (s=d/t)
Time
Distance/speed (t=d/s)
Mass
Force/acceleration (m=f/a)
Distance
Speed
time (d=s
t)
Force
Mass
acceleration (f=m
a)
Acceleration
Force/mass (a=f/m)
Balanced Force
Opposite forces that are equal in size (do not change the speed or direction of an object)
Unbalanced Force
Opposite forces that are not equal in size (can change speed or direction of an object)
Motion
Change in position over a certain amount of time
Force
A push or pull (needed to start, stop, or change the motion of an object)
Mass
The amount of matter in an object
Newton
A unit of force (N)
Speed
Total distance traveled divided by total time it takes to get there
Velocity
The speed and direction of an object
Acceleration
The change in speed between 2 points
Law of Inertia
An object at rest will stay at rest and an object in motion will stay in motion unless acted on by an unbalanced force
Law of Force and Acceleration
The force on an object equals the mass times the acceleration this can be calculated with F=m*a
Law of Action-Reaction
When one object exerts a force on a second object, the second object will react with force that is equal in strength but opposite in direction
How is speed and velocity different?
Velocity is speed and direction
How is acceleration different from speed?
Acceleration is change in speed
Differentiate
Explain he differences between two things
Speed
Distance/time (s=d/t)
Time
Distance/speed (t=d/s)
Mass
Force/acceleration (m=f/a)
Distance
Speed
time (d=s
t)
Force
Mass
acceleration (f=m
a)
Acceleration
Force/mass (a=f/m)
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