bonjour désolé de vous deranger , est ce que vous pouvez me donner plusieurs explemple de pourquoi choisir la thematique lutter contre les discrimination merc

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to improve the acoustics in auditorium asound reflrctor with mass of 200kg is suspended by a chain from the ceiling. what is its weight ? what force(magnitude and direction) does the xhain exert on it? what is the tension in the chain? assume that the mass of the chain itself is negligible