The height, width and thickness of a rectangular flower rock monument are 10m, 3M and 2m respectively, the Rou is 2.5 × 103 times, and the maximum pressure on the ground is 1.2 × 103 times. In order to make the ground bear the monument, the height of the monument is 1m, the Rou is 2 × 103 times, so that it can be put on the rectangular cornerstone? 2 if the monument stands directly on the ground, the pressure on the ground is?

10x3x2x2500 is equal to 150000kg, P is equal to mgxs, i.e. 250000pa, the last similar to the second question, the total mass area is the maximum pressure, i.e. 11.6m2
Answer time: 2011-10-24 3:24:49

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