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SubjectPaid lesson

Gear 1

ClassNotes Team 2 MIN READUPDATED 5 JUL 2026

BASIC TECHNOLOGY JSS2 Third term

Sub-Theme: Tools, machines and processes

WEEK 6

Gear

Performance objectives

Students should be able to:

  1. Define a gear
  2. Identify the different types of gear
  3. State the uses of various types of gear

Content

Gear

Gear is a simple wheel with toothed edges fixed in machines to enable different parts to move at a different speed or different directions. Gears transmit rotary action from a moving shaft to another and also to change the direction of rotation                    Gear 1 

                                      Gear

The two gars shown are said to mesh together or engage with one another. The arrangement can be practiced by using two crown corks of coca-cola or maltina drinks.

Types of gear

Spur gear: …