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Science Motion

Unit 1

TermDefinition
Position describes the location of an object.
Reference point is a location to which you compare other locations.
Motion is a change in position over time.
Speed of an object is a measure of how far something moves i n a given amount of time.
Vector is a quantity that has both size and direction.
Velocity is speed in a specific direction.
Acceleration is the rate at which velocity changes.
Centripetal acceleration acceleration in circular motion.
Force is simply a push or pull.
Net force the combination of all forces acting on a object.
Inertia is the tendency of all objects to resist a change in motion.
Gravity is a force of attraction between objects due to their mass.
Free fall when gravity is pulling it don and no other forces are acting on it.
Orbit when an objects travels around another object in space.
Fluid is any material that can flow and that takes the shapes of it's container.
Pressure is the measure of how much force is acting on a given area.
Pascal is the force of one newton exerted over an area of one an area of one square meter.
Atmospheric pressure the pressure caused by the weight of the atmosphere .
Buoyant force is an upward force that fluids exert on all matter.
Archimedes' principle states that the buoyant force acting on an object in a fluid is an upward force equal to the weight of fluid that the object displaces.
Created by: 18hayesm0331
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