A 70 kg father and a 50-kg mother are at opposite ends of a seesaw 6 m long. Where should their 25-kg son sit so that the seesaw is balanced at the center?*
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Expert's answer
2022-04-02T10:10:15-0400
"0 .5m_1l=0.5m_2l+xm_3,"
"x=\\frac{0.5l(m_1-m_2)}{m_3}=2.4" m to the mother.
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