If the mechanical advantage of a lever is 2.5,what will be the effort you need to apply to lift a load of 50 N?
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M.A = 2.5
M.A = L/E
2.5 = 50/E
E = 50/2.5=20 N
M.A = L/E
2.5 = 50/E
E = 50/2.5=20 N
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