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a lever of length 9cm has its load arm 5cm long and effort arm is 9cm long. what is the M.A and V.R if the efficiency is 100%? |
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Answer» The mechanical ADVANTAGE and the velocity ratio is 1.8 and 1.8Explanation:Given that,length l = 9 cmload arm = 5 CMEFFORT arm = 9 cmefficiency = 100%The mechanical advantage is defined as:The velocity ratio ISTHE EFFICIENCY is defined as:Hence, The mechanical advantage and the velocity ratio is 1.8 and 1.8 |
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