The factor of safety for tipping of the concrete dam is defined as the ratio of the stabilizing moment due to the dams weight divided by the overturning moment about O due to the water pressure. Determine this factor if the concrete has a density of rconc = 2.5 Mg>m3 and for water rw = 1 Mg>m3 . y 1 m x 4 m 6 m O Prob. 9123
4th century Greece o Greeks between Persia and Carthage Disgruntled Greeks turned to Persia for aid Lots of small wars and skirmishes Athens fell, which led to more power struggles No single city state was dominant for a considerable amount of time Individuals became more powerful A less democratic society o Powers in the north Northern city states are adopting methods of Greek warfare tactics Becoming more Greek, and more powerful o Sparta's empire Athens was broke, Sparta had no intent
