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tashas w 15 dec.3-7

5th grade dec.3-7

QuestionAnswer
gravity a force that act to pull pairs of objects together
mass the amount of matter in objets.
weight a force gravity exerts on an ojects mass.
acceleration rate of change in speed or direction or of movement
friction a force that resist the movement of one surface past another surface.
airresistanse friction caused by gas mouliculs in the air hitting an object and slowing it down.
steamline to design smooth ,rounded surfaces on an object so that it slips through the air with the least resistance.
motion a change in a position of an object.
speed the distance an object moves per unit time such as mph
inertia the tendency of an object to resist a change in moiton.
Created by: zieglenr
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