Answered

A 12-tooth gear is turned two times. How many times will the 24-tooth gear that it is connected to turn

Answer :

AL2006

If the gears are perfectly coupled and they don't slip or grind,
then the number of teeth that pass on both gears in some amount
of time are equal.

-- If the 12-tooth gear makes 2 revolutions, then 24 teeth
pass the point where the gears meet.

-- 24 teeth is all the way around the second gear, so
that one revolves one time.


 

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