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15 cards from this deck
A toothed wheel that connects to a shaft
A rotating wheel with teeth around its edge that connects with another spur gear
The gear that receives the original power input and starts the movement
The gear that receives power from the driver gear and produces output movement
Two spur gears connected together on parallel shafts
They rotate in opposite directions
Meshing teeth prevent slipping, can apply greater forces
To change the direction of rotation
It doesn't change the output speed at all
To create bigger speed changes than simple gear trains
Driven gear teeth ÷ driver gear teeth
Input speed ÷ velocity ratio
Rotate slower
Rotate faster
Slower output speed but higher force (torque)
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