SOLUTION: last homework question...need help please! if we wish to lift a 60 pound rock with a lever that gives us a mechanical force of 4 how much force would we have to exert under ideal

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Question 356655: last homework question...need help please!
if we wish to lift a 60 pound rock with a lever that gives us a mechanical force of 4 how much force would we have to exert under ideal conditions? over what distance would we have to exert this force if we wish to lift the rock 1.5ft
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If you mean a mechanical advantage of 4, it's 60/4 = 15 pounds.
The distance would be 4*1.5 = 6 ft