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Chapter 11 Vocab

TermDefinition
Motion an object s change in position relative to a reference point
frame of reference a system for specifying the precise location of objects in space and time
displacement the change in position of an object
speed the distance traveled divided by the time interval during which the motion occurred
velocity the speed of an object in a particular direction
acceleration the rate at which velocity changes over time;
force an action exerted on a body in order to change the body's state of rest or motion
friction a force that opposes motion between two surfaces that are in contact
static friction the force that resists the initiation of sliding otiong between two surfaces that are in contact and at rest
kinetic friction the force that opposes the movement of two surfaces that are in contact and are moving over each other
Created by: kurlyheadjay
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