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27 Cards in this Set
- Front
- Back
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perodic motion
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swings back and forth
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circular motion
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wheels
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vibrational motion
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rubber band
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average speed
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how far an objects moves during a certian amount of time
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point of reference
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a motion is always measured in relation ship with somelocation
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velocity
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discribes the speed and the direction of an objects motion
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force
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a push or pull that act on a object
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magnitude
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measured in newtons/force
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direction
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can be disciribed by tell which way the force is acting
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gravitational force
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only a pulling force on objects cant be blocked
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electric and magnetic force
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can push or pull on different objects
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magnetic force
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can push or pull on different objects
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friction
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acts to slow down the motion of an object or keeps it from starting to move
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air friction
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is a force that is present when air flows over a surfus.
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fluid friction
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a soild moving througth a liqiud
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work
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done when a force moves an object
measured in joules |
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joules
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the amount of work done when a force of 1newtons (N) moves an objects a distance of 1meter (M)
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Power
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Rate at which work is done alone
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Net force
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Combination of =forces
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Balanced forces
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Equal forces from opposite directions
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Equilibruim
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Eqaul or balanced forces
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Unbalanced forces
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1force I stronger than another
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Newtons first law
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Motion=motion Rest=rest
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Inertia
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Resisting movement
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Newtons 2nd law
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Force = mass x acceleration
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Acceleration
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Speed up, slow down or change directions
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Newtons 3rd law
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Action / reaction law ... Objects exerts same force as opposing object
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