an arrangement of fixed and moveable pulleys

any reduction in an effort force will be paid for by an increased distance through which the force must act

the percent of work input returned as work output

the force applied to a simple machine to make it work

the fixed point about which a lever turns

a slanted surface used to raise objects

a rigid bar capable of turning about a fulcrum

the amount by which a machine magnifies effort (or force)

the distance between two adjacent threads on a screw

the amount of work done in a given period of time

a modified lever consisting of a rope that moves around a grooved wheel

the force against which a simple machine works; often the weight of an object being moved

an incline plane wrapped around a cone or cylinder

two inclined planes conected back-to-back

the product of a force applied on an object and the distance the object moved

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