题目

In 2015, Chennai was destroyed by one of the worst floods in over a century, leaving thousands without food, water and supplies. During the flood, many heroes arose, one of whom was Santosh, a young man who owned a take-out restaurant in Chennai.When the first flood hit in November, he got a call from a company called Naga Rava. The company asked him to prepare 5,000 packets of food and give them to the flood victims. He, with his partners, took the order, cooked for 14 hours and delivered(递送) them. But that night, as they sat together discussing the event of the day, they actually felt as甲、乙、丙三个质量相同的实心正方体分别放在水平地面上,它们对水平地面的压强关系是p甲<p乙<p丙,若分别在三个正方体上表面中央施加竖直向下的力,使三个正方体对水平地面的压强相同,则力F甲、F乙、F丙的大小关系是 [  ] A.F甲<F乙<F丙B.F甲=F乙=F丙 C.F甲>F乙>F丙D.以上都有可能
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