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Unit 4: Mechanical Principles - FREE STUDY
www.freestudy.co.uk© D.J.DUNN freesudy.co.uk 1 Unit 4: Mechanical Principles Unit code: F/601/1450 QCF level: 5 Credit value: 15 OUTCOME 4 – POWER TRANSMISSION TUTORIAL 1– …
Unit 4: Mechanical Principles - FREE STUDY
www.freestudy.co.ukD.J.Dunn www.freestudy.co.uk 3 1. INTRODUCTION Pulley drive systems depend on friction to enable the belt to grip the wheel and pull it around with it.