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18 Cards in this Set
- Front
- Back
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a push or a pull.
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force
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a change in position over time.
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motion
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a mesure of how far the object moves in a given amount of time.
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speed
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the use of force to move an object oversome time.
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work
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any device that helps people do work.
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machine
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the number of times a machine multiplies the input force.
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mechanical advantage
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the ratio of its output force.
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efficiency
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the six machines on wich all other mchenical machines are based.
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simple machine
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a solid bar that rotates, or turns around a fixed point.
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lever
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the fixed point.
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fulcum
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a simpale machine made of a wheel attached to a shaft or axel.
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wheel & axel
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a wheel w/ agroove rim & a rope or cable that rides in the groove.
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pulley
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asimlpe machine that is a sloped surface.
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inclined plane
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a simple mchine that has a thick end & a thin end.
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wedge
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an inclined plane wrapped around a cylinder or a cone ot form a spiral.
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screw
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a mechine that is made of two or more simple machines.
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compound machine
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extemly tiny machines
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nano technology
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a michine that works automatically or by remote control.
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robot
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