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# Force & Motion Voc 1

### unit 4 lessons 1 and 2

QuestionAnswer
friction is a force that resists the movement of one surface past another.
gravity is the force of attraction that exists between any two objects.
force is a push or pull that acts on an object
speed the distance and object that moves in an given time.
inertia the tenacity for an object to remain at rest or in motion
weight is the force caused by the gravitational attraction of the Earth
velocity a change in the speed or direction or an moving object
energy the ability to cause motion to change
acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater amount of force needed (to accelerate the object).
motion the action or process of moving or of changing place or position.
drag to draw with force, effort, or difficulty; pull heavily or slowly along; haul
work exertion or effort directed to produce or accomplish something
mass a body of coherent, usually of indefinite shape and often of considerable.
momentum force or speed of movement
pressure the exertion of force upon an surface by an object
direction the line along which anything lies, faces, moves.
Created by: 117799