Machines: Wheel and axle By garikaib|2022-09-15T12:38:12+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes| A wheel and axle. Image credit MediaWiki ZIMSEC O Level Combined Science Notes: Machines: Wheel and axle The wheel and axle operate on a principle similar to that of gears A wheel is attached to an axle so that the two parts rotate together […]Quick NetOne, Econet, And Telecel Airtime Recharge Number to recharge: Airtime amount ($): EcoCash number: Buy {{error_message}} {{error_message}} Read More Comments Off on Machines: Wheel and axle