When one boy is sitting 1.20m from the center of a seesaw, another boy must sit on the other side 1.59m from the center to maintain an even balance.  However, when the first boy carries an additional weight of 14kg and sit 1.80m from the center, the second boy must move to 3m from the center to balance. Neglecting the weight of the seesaw, find the weight of the heavier boy.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.17P: A man weighs 170 lb on the surface of the earth. Compute his weight in an airplane flying at an...
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When one boy is sitting 1.20m from the center of a seesaw, another boy must sit on the other side 1.59m from the center to maintain an even balance. 

However, when the first boy carries an additional weight of 14kg and sit 1.80m from the center, the second boy must move to 3m from the center to balance.

Neglecting the weight of the seesaw, find the weight of the heavier boy. 

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