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11 Cards in this Set
- Front
- Back
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force
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a push or pull that causes an objet tomove, stop or change direction
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friction
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a force opposes or acts againts, motion when two surfaces rub againts each other
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magnetism
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the force of repulsion (pushing) or attraction (pulling) between poles of magnets
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gravitation
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the force that pulls all objets in the universe twards one an other
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balanced force
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the forces acting on an objet that are equal in size and opposite in driction canceling each other out
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unbalanced force
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forces that are not equal
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acceleration
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a change in motion caused by unbalced forces or change in velocity
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net force
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the result of two or more forces acting togather on an objet
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work
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the use of a force to move an objet thourgh a distance
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power
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the amount of work done for each unit of time
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machine
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something that makes work easier by changing the size or the dirction of a force
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