Gear 1

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

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

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