We use essential cookies to sign you in and remember your settings. With your permission we also use analytics cookies to understand how the site is used. See our privacy policy or fine-tune this anytime at cookie settings.

SubjectPaid lesson

Gear 3

ClassNotes Team 2 MIN READUPDATED 5 JUL 2026

BASIC TECHNOLOGY JSS2 Third term

Sub-Theme: Tools, machines and processes

WEEK 8

Gear 3

Performance objectives

Students should be able to:

  1. Describe the relationship between gear ratio and speed of rotation

Content

Gear speed, ratio, and speed of rotation

When two gears mesh or engage together, one is called a driven gear while the other, is called a driving gear. Therefore driving gear is a gear to which power is supplied for transmission to another gear wheel.

The rate at which the gear turns per second is the gear speed. It is measured in revolution per minute. The speed of rotation of gear is indirectly proportional to the number of teeth. If the driver gear turns or rotates in a…