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change in position

motion

how far object has moved

distance

distance and direction from a starting point

displacement

distance an object travels in a given time

speed

change over time

rate

distance/time

speed formula

doesn't change

constant speed

changes

changing speed

speed of motion when speed is changing

average speed

speed at a certain time

instantaneous speed

speed and direction of an object's motion

velocity

motion of Earth's crust

very very very slow

change in velocity

acceleration

speed is increasing

positive acceleration

speed is decreasing

negative acceleration

change in velocity/time

acceleration formula

final velocity - initial velocity

change in velocity

meters per second

unit for acceleration

push or pull on an object

force

combination of two or more forces

net force

equal in size, opposite in direction

balanced forces

resistance to any change in motion

inertia

greater inertia

greater mass

inertia

Newton's First Law