A 67.0 kg adult sits at one end of a 10.0 m board, on the other end of which sits his 23.0 kg child. Where should the pivot be placed so the board is balanced if the board has a mass of 12.0 kg? (The board’s center of gravity is at the center of the board.)

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section: Chapter Questions
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A 67.0 kg adult sits at one end of a 10.0 m board, on the other end of which sits his 23.0 kg child.
Where should the pivot be placed so the board is balanced if the board has a mass of 12.0 kg? (The
board’s center of gravity is at the center of the board.)

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