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Ch.12 Phy.Science

Force

QuestionAnswer
friction force that opposes the motion of an object
gravity force of attraction between all objects in the universe
force a push or a pull
vacuum empty space
lubricants materials that reduce friction
barometer instrument used to measure air pressure
air pressure pressure caused by the force exerted by Earth's atmosphere
pressure force per unit area
newton SI unit of force
unbalanced forces forces that cause a change in the motion of an object
Bernoulli's principle as the speed of a fluid increases, its pressure decreases
balanced forces forces that are equal in size but opposite in direction
terminal velocity speed at which air resistance and gravity acting on a falling object are equal
air resistance force that opposes the movement of an object in air
Created by: cpasteris
Popular Physical Science sets

 

 



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