Asked by Supansa
                A perfectly efficient machine (e=1) is used to move a 53.4 kg load.  The input force moves a distance of 13.4 m as the load rises 1.34 m.  What is the mechanical advantage of the machine?  What is the magnitude of the input force? 
            
            
        Answers
                    Answered by
            Damon
            
    mechanical advantage = 13.4/1.34 = 10
weight = 53.4 g = 53.4*9.81
divide by 10 for input force
5.34 * 9.81 = 52.4 Newtons input
    
weight = 53.4 g = 53.4*9.81
divide by 10 for input force
5.34 * 9.81 = 52.4 Newtons input
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