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chap. 11

TermDefinition
Scalar quantity Has magnitude only ex: speed
Vector quantity Magnitude and direction ex: velocity
Physics Science dealing with ,atter, energy, force, and motion; how matter and energy interact with each other
Frame of reference System for specifying the precise location of objects in space and time
Displacement Distance and direction of an object's change in position from the starting point
Speed Distance an object travels per unit of time
Velocity The speed and direction of moving object
Acceleration Rate of change of velocity A = Change/time
Force A push or pull exerted on an object
Friction Force opposes the sliding motion between two touching surfaces
Motion A change in an object's position relative to a reference point
Kinetic friction the force that opposes the movement of two surfaces that are in contact and are sliding over each other
static friction frictional force that prevents two surfaces from sliding past each other
Created by: user-1980469
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