杯子中装满水向杯中放入一个小木块小木块漂浮在水面 放入木块后容器对桌面的压强变不变
杯子中装满水向杯中放入一个小木块小木块漂浮在水面 放入木块后容器对桌面的压强变不变
物理人气：934 ℃时间：2019-09-30 20:40:16
优质解答
是不变的,应为压力没有改变,杯子还是那杯子,所以不变
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