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January 31, 2015

January 31, 2015

Posted by **chamy** on Sunday, April 8, 2012 at 9:08am.

when sitting on opposite sides of a seesaw, regardless of their weights. It is only necessary

that each person contribute the same moment — calculated by multiplying the person’s

weight times the distance to the fulcrum. For example, if an 80-

pound child sits at one end of a 20-foot plank, 10 feet from the

fulcrum, a 200-pound adult can balance this system. Tell how.

- Calculus -
**Damon**, Sunday, April 8, 2012 at 10:14am200 x = 10 * 80

x = 4

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