ASVAB practice test 1
An induction clutch works by - answer-magnetism If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage? - answer-Length of Effort Arm ÷ Length of Resistance Arm. MA = 8 ÷ 2 = 4 The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called - answer-recoil If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for every 10 revolutions Gear 1 makes? - answer-r = DR/d, r=16.6666 Springs used in machines are usually made of - answer-steel A clutch is a type of - answer-coupling
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