Welcome to Class !!

We are eager to have you join us !!

In today’s Basic Technology class, We will be discussing Gears. We hope you enjoy the class!

gears basic tech classnotesng


A gear is a wheel fixed in machines to make different parts move at different speeds or in different directions.

Gears have toothed edges that help them to engage or mesh with one another. When two gear wheels are fitted, engaged or meshes, one wheel turns one way, while the other turns the other way, that is to say in the opposite direction.

Gears are used in motor vehicles and bicycles to ensure their smooth running under the varying speed and road conditions. The selection of low gear produces slow movement in taking off from rest and climbing a steep hill. At high gear, the car moves much faster. Two meshed gears, one is called the driving gear while the other is called the driven gear.



  • Spur gears
  • Rack and pinion gears
  • Internal ring gear
  • Helical gear
  • Helical rack gear
  • Double helical gear
  • Face gear
  • Worm gear
  • Double enveloping worm gear


  1. Gears are used to transmit power developed by the engine to the wheels.
  2. Gears are used for selecting speed in a locomotive engine.
  3. Gears are used for changing the direction of rotation in engines.



We have come to the end of this class. We do hope you enjoyed the class?

Should you have any further question, feel free to ask in the comment section below and trust us to respond as soon as possible.

In our next class, we will be talking about Hydraulics and Pneumatics Machines. We are very much eager to meet you there.


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2 thoughts on “GEARS”

  1. muhammad sahabi

    thank you for your contribution in help the teacher’s and student in promoting basic tech. Class foword thank you once againe.

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