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pulley - Coggle Diagram
pulley
fixed pulley
a fixed pulley is a wheel that has a groove for a rope chain or belt . it rotates arround an axe that is fixed to an inmobile surface
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compound pulley This is a set of fixed and moveable pulleys, often called a block and tackle. If we use more pulleys it bei.omes more complex, but less effort is needed to move the load.
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ROTARY MOTION
friction drive two or more wheels in contact , wheel 1 , primary wheel when it moves it turns or drives the output wheel 2 causing it to move as well.
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pulley with belt two wheels certain distance apart , axes in Th e two pulleys (and the two axles) rotate in the same direction
uses in industrial machines , car engines ...
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worm gear Thiss set a screw that moves a helical cogwheel which is set
perpendicular to the screw. to reduce velocty as a braking sistem
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gear mechanism with a chainThese are two cogwheels with parallel axles that are a certain distance apart , te rotation moves a metal chain or toothed neoprene belt .
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pulley trains with belt sistem of pulley or wheels with a belt , two or more pulleys the rotarymotion of axle 1 is transmitted to axle 2 via the sttetched belt that connects them
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gear train This is a system of more than two gears, connected together as
shown m the diagram
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• When there are two wheels, each connected geared wheel rotates
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