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11 Cards in this Set

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