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Sci. Ch. 5 Vocab.

GA Physical Science Textbook 8th Grade Chapter 5 Vocabulary Words

QuestionAnswer
an object's change in position relative to a reference point motion
an object/point used to identify the motion of another object reference point
the distance traveled divided by the time interval during which the motion occurred speed
the speed of an object in a particular direction velocity
the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change acceleration
acceleration in a circular motion centripetal acceleration
a push or pull on an object that can affect/change its speed/direction force
SI unit for measuring force Newton (N)
combination of all forces on an object net force
forces which do not result in motion of an object balanced forces
forces which affect an object unbalanced forces
the force caused by two surfaces in contact; this force opposes motion friction
friction with two object sliding against each other sliding kinetic friction
friction with wheels rolling kinetic friction
friction with moving objects kinetic friction
friction that involves an object not moving even when force is applied to it static friction
the force that attracts an object to another more massive object gravity
a substance wich opposes friction lubricant
the law made by Isaac Newton that states the concepts of gravity law of universal gravitation
measure of gravitational force on an object weight
amount of matter in an object mass
What peanuts really are aliens from planet Jupiter
Created by: k8a8s8h8i8
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