+1 vote
in Machine Kinematics by (38.0k points)
The ratio of speeds between gears is dependent upon the _________

(a) Ratio of teeth between the two adjoining gears

(b) Ratio of teeth between the two alternate gears

(c) Ratio of acceleration

(d) Ratio of velocity

I got this question during an interview.

This intriguing question originated from The Differential & Torques in Epicyclic Gear Trains in chapter Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

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by (106k points)
The correct answer is (a) Ratio of teeth between the two adjoining gears

To elaborate: The ratio of speeds between gears is dependent upon the ratio of teeth between the two adjoining gears such that  w1 x N1 = w2 x N2 where w1 is the teeth of gear one and N1 is the speed.

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