forces vocab :)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| momentum the amont of matter in somthing | the pruduct of an objects mass and it volocity centriptal force
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| formula for monmentum the force that is pulling an object in circular motion towerdas the center of the circle | m= pvgeosynchronous orbit
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| law of conversation of momentum | the toltal momentum of any group of objects remains the same unless outside forces also act on the objects
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| force | a push or a pull that gives energy to an object
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| unit of force | forces are mesured in newtons N
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| net force | the total of all forces acting on an object
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| inertia | the tendency of matter to resist a change in its motion
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| balanced forces | the net force acting on an object is zero
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| unbalanced forces | the net force acting on an object is not zero
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| magnitude | the amount of a mesurement
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| friction | a force that one suface exerts on another when the two surfaces are in contact with each other
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| static friction | friction between non-moving objects
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| kinetic friction | friction between moving objects
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| sliding friction | friction between objects that slide against each other
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| rolling friction | occures when an object rolls a surface
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| fluid friction | occurs when an object moves through a fluid or a gas
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| newtons first law of motion | objects at rest will stay at rest & objects in motion will stay in motion at a constant velocity unles acteds on by an unbalanced force
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| netons second law of motion | the net force acting on an object is equal to the product of the objects mass and acceleration
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| newtons third law of motion | for every acting force there is a reaction force that is equal , but acts in the oppisite direction
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| law of universal gravition | all objects in the universe are attracted to each other strenths of attraction depends on the objects masses and distance from each other
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| freefall | the motiong of an object when gravity is the only force acting on it
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| terminal veloity | greatest velocity of a falling object occures when the force of gravity is equal to the force friction
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| weight | a measure of he force of gravity on an object
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| geoynchronous orbit | occurs when the an object orbits another object at a rate equal to the 2nd objects rate of rotation
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