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Physics, 12.11.2020 17:50 morganruhl2

Una persona de 85 kg, sube en ascensor entre el primer y octavo piso de un edificio. Se puede afirmar, con respecto al trabajo realizado por la fuerza peso,
que: 1. El trabajo que realiza el peso del ascensor es negativo. II. El trabajo que
realiza el peso de la persona es negativo. III. Ambos trabajos son de distinto
signo. *

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