Vocab
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Distance
The total length traveled by a moving object
Displacement
Length traveled between the start and finish of an objects motion
(3 ways to measure how fast an object is moving. speed, velocity and acceleration) Speed
Distance traveled in a certain amount of time S=d/t
Velocity
Speed and direction of a moving object
Acceleration
A change in velocity. It can be sped up, slowed down, or change direction
Force
A push or pull on an object F=m•a
Gravitational force
The force of gravity on an object
Frictional force
A force that opposes motion of an object *always works against the motion that produces it
Unbalanced force
The force that opposes objects in motion
Balanced force
Force that opposes objects at rest
Air resistance
Opposes motion of an object through air
Mass
The amount of matter in an object
Weight
The force of gravity acting on an object
Inertia
The tendency of an object to resist changing its state of motion. *stubborn. Object refuses to change its state of motion.