Moments, levers and gears

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Question 2
Easy

A gear system consists of two meshed gear wheels, A and B, as shown in the diagram. Gear A has 72 teeth and rotates in an anticlockwise direction. Gear B has 24 teeth.

Diagram of a gear train with two meshed gears, A and B. Gear A is larger and has 72 teeth with an anticlockwise rotation arrow. Gear B is smaller, has 24 teeth, and is meshed to the right of Gear A.

Describe how a third gear wheel, C, could be added to this system so that it rotates in an anticlockwise direction with double the rotation rate of gear wheel B.

Your answer should refer to:

  • the position of gear wheel C
  • the number of teeth on gear wheel C.
[2]

Moments, levers and gears Questions

  1. GCSE
  2. /Physics
  3. /Moments, levers and gears