Vocab physics

frame of reference

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Terms in this set (6)

frame of reference

a system for specifying the precise location of objects in space and time

the change in position of an object

Average velocity

the total displacement divided by the time interval during which the displacement occurred

instantaneous velocity

the velocity of an object at some instant or at a specific point in the object's path

the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change

the motion of a body when only the force of gravity is acting on the body