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Motion

Unit 1

TermDefinition
Position The location of an object.
Reference point A location to which you compare other locations.
Motion A change in position over time.
Speed How far something moves in a given amount of time.
Vector Quantity that has both size and direction.
Velocity Speed in a specific direction.
Acceleration The rate at which velocity changes.
Centripetal acceleration Acceleration in a circular motion.
Force Push or pull.
Net force Combination of all forces on an object.
Inertia The tendency to resist a change in motion.
Gravity A force of attraction between objects due to mass.
Free fall Gravity is the only thing pulling an object down.
Orbit An object travels around another object in space.
Fluid Any material that can flow and takes the shape of a container.
Pressure How much force is acting on a given area.
Pasacal The SI unit for pressure.
Atmospheric pressure The pressure caused by the weight of the atmosphere.
Buoyant force An upward force that fluids exert on all matter .
Archimedes' priciple States that buoyant force acting on an object in a fluid is equal to the weight of the fluid.
Created by: 18adamsj1230
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