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Unit 7 Lessons 1-3

TermDefinition
force a push or pull
static friction the force that resists the start of sliding motion between two surfaces that are touching
kinetic friction the force that resists the movement of two surfaces that are touching and moving relative to each other
drag a friction like force that opposes the motion of an object in a fluid
field when a force acts at a distance, the area in which an object experiences a force
net force the combination of all the forces acting on an object
inertia the tendency of all objects to resist a change in motion
gravity a force of attraction between objects due to their Mass
free fall when gravity is pulling it down and no other forces are acting on it
orbit when an object travels around another object in space
electric charge a property that leads to electromagnetic interactions between the particles that make up matter
static electricity the buildup of electric charge on an object
electrical conductor A material through which charges can move freely
electrical insulator material through which charges cannot move easily
semiconductor a special class with materials that conduct electric charge better than a electrical insulators but not as well as electric conductors
Created by: genevaturkish
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