SOLUTION: a) A 100-lb weight is placed 4 ft from a fulcrum. How far from the fulcrum should a 75-lb weight be placed to balance the lever? b) An 80-lb weight is placed 9 ft from a fulc

Question 954290: a) A 100-lb weight is placed 4 ft from a fulcrum. How far from the fulcrum should a 75-lb weight be placed to balance the lever?

b) An 80-lb weight is placed 9 ft from a fulcrum. What weight should you put 6 ft from the fulcrum to balance the lever?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a) A 100-lb weight is placed 4 ft from a fulcrum. How far from the fulcrum should a 75-lb weight be placed to balance the lever?
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Equation:
75x = 100*4
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x = (4/3)4
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x = 16/3 = 5 1/3 ft
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Cheers,
Stan H.
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