Question: . ( 1 0 points ) A 7 5 - kg adult sits at one end of a 1 0 . 0 - m -

.(10 points) A 75-kg adult sits at one end of a 10.0-m-long board. His 25-kg child sits on the other end.
(a) Where should the pivot be placed so that the board is balanced, ignoring the boards mass?

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