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pullys and gears (spuer gear (has teeth, change the speed, used in…
pullys and gears
spuer gear
has teeth
change the speed
used in watches
pulley sistom
pulls up the loud
Lifts heavy objects
its a compound pulley
worm gear
connects with another gear
reduces the speed
has an axel
fixed pulley
no micanical advantige
one pulley attached to a structre
used in boats
movebal pulley
fixed pulley
macanacal advantig
most comen pulley
Block and takle
Lift loads
Block and takle are the same things as a fixed pully
Rack and pinion Gears
meets with a toothed rack
changes circular moition
single gear
Bevel Gears
cone shape
two gears connect
changes the motion
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