# What is the speed of gears?

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Gears A and D have 60 teeth each, gear B has 40 teeth, and gear C has 20 teeth.
Suppose that gear B makes twenty complete turns every minute,
explain the relative speed of gears A and D

posted Mar 26, 2014

## 1 Solution

A and D will rotate with same speed
Its formula
Speed of A/Speed of B = no. of teeth of B/ no. of teeth of A
Speed of A/ 20 = 40/60

Speed of A and D=40/3

solution Jan 27, 2015

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