Una viga metálica uniforme de longitud L= 4 m pesa 100 N y sostiene un objeto de 225 N como se muestra en la figura 4. Calcule la magnitud de las fuerzas que ejercen sobre la viga las columnas de apoyo colocadas en los extremos. Suponga que las longitudes son exactas.
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Una viga metálica uniforme de longitud L= 4 m pesa 100 N y sostiene un objeto de 225 N como se muest...
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