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Motion Vocab CH

Vocab Words

QuestionAnswer
Motion a change in an objects position relative to a reference point
distance length an object travels, measured in SI units of meters
displacement distance and direction of an objects change in position from the starting point
speed distance an object travels per unit of time
velocity the speed and direction of a moving object
reference point an indicator that orients you generally
vector quantity a quantity possessing both magnitude and direction, represented by an arrow the direction of which indicates the direction of the quantity and the length of which is proportional to the magnitude.
scalar quantity representable by position on a scale or line; having only magnitude: a scalar variable.
constant speed a speed that does not change
average speed the total trip distance divided by the total time
instantaneous speed speed at a given point in time
acceleration change in the velocity of a body with respect to time
deceleration decrease in the speed of velocity of an object
Created by: Hauser2515
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