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# Force & Motion Vocab

### force and motion vocabulary - unit 4 - lessons 1 & 2

QuestionAnswer
Friction The resistance that one surface or object encounters when moving over another.
Gravity The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Force Make a way through or into by physical strength.
Speed Rapidity of movement or action.
Inertia A property of matter by which it continues in its existing state of rest or in uniform motion in a straight line.
Weight A body's relative mass or the quantity of matter contained by it, giving rise to a downward force.
Velocity The speed of something in a given direction.
Energy The strength and vitality required for sustained physical or mental activity.
Acceleration Increase in the rate or speed of something.
Motion The action or process of moving or being moved.
Drag Pull (someone or something) along forcefully, roughly, or with difficulty.
Work Activity involving mental or physical effort doe in order to achieve a purpose or result.
Mass a coherent, typically large body of matter with no definite shape.
momentum The quantity of motion of a moving body, measured as a product of its mass and velocity.
Pressure The continuous physical force exerted on or against an object by something in contact with it.
direction A course along which someone or something moves.
Created by: 10020324