SOLUTION: Two people are sitting 15 ft apart on a seesaw. One person wighs 120 lbs. The second person weighs 180 lbs. How far from the 120 lb person should the fulcrum be placed so that the
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Question 345357: Two people are sitting 15 ft apart on a seesaw. One person wighs 120 lbs. The second person weighs 180 lbs. How far from the 120 lb person should the fulcrum be placed so that the seesaw balances?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
l1 * d1 = l2*d2
l1*180=l2*120
l1/l2 = 120/180
l1/l2=2/3
...
Total distance = 15 feet
5 parts
one part is 15/5 = 3 feet
l 2= 3 parts
3*3=9
9 feet from the fulcrum.
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