Matching
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a. | compound
machine | i. | pulley | b. | efficiency | j. | resistance force | c. | effort
force | k. | screw | d. | inclined plane | l. | simple machine | e. | lever | m. | wedge | f. | machine | n. | wheel and axel | g. | mechanical
advantage | o. | work | h. | power | | | | |
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1.
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transfer of energy that occurs when a force makes an object move
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2.
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force
exerted on a machine that is used to do work
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3.
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simple machine that consists of two different sized wheels that rotate
together
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4.
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simple machine that consists of a sloping surface, such as a ramp, that reduces
the amount of force needed to lift something by increasing the distance over which the force is
applied
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5.
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simple machine that consists of an inclined plane with one or two sloping
sides
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6.
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simple machine made from a bar that is free to pivot about a fixed point
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7.
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combination of two or more simple machines
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8.
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machine that does work with only one movement; includes lever, pulley, wheel and
axel, inclined plane, screw, and wedge
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9.
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measure of how much of the work put into a machine is changed into work
done by a machine
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10.
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simple machine that consists of an inclined plane wrapped in a spiral around a
cylindrical post
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11.
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device that makes doing work easier by increasing the force applied to an object, by
changing the direction of an applied force, or by increasing the distance over which a force
can be applied
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12.
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force
applied by a machine to overcome resistance
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13.
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number of times a machine multiplies the effort force applied to it
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14.
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simple machine that consists of a grooved wheel with a rope, chain, or cable that runs
along a groove, changes the direction of the effort force , and can be fixed or
moveable
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15.
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amount of work done, or amount of energy transferred, in a certain amount of
time measured in watts, W.
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