A 120 pound weight is placed 5 feet from the fulcrum. How far from the fulcrum should an 80 pound weight be placed to balance the lever?
Let x be the distance of 80. lb weight fro thru fulcrum.
So for the balance. 120 x 5 = 80 x
600 = 80 x
x = 600/80
x= 13.3 Ft
Answer: 13.3 ft
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