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Lewis-Simple Machine
Question | Answer |
---|---|
occurs when a force causes an object to move a distance in the direction the force was applied | work |
a push or a pull | force |
the force you apply on a machine | input force |
the force that the machine applies to move an object or overcome some resistance | output force |
a machine that does work with only one movement | simple machine |
a machine made up of a combination of simple machines | compound machine |
a flat, sloped surface | inclined plane |
an inclined plane that moves; can have one or two sloping sides | wedge |
an inclined plane wrapped around a cylinder | screw |
any rigid rod or plank that pivots, or rotates, around a fixed point | lever |
a fixed point around which a lever rotates | fulcrum |
two circular objects of different sizes that are attached and rotate together | wheel and axle |
a grooved wheel with a rope or cable wrapped over it | pulley |