试题与答案

一个正方体木块,重力大小是25N,各面的面积都是0.01m2,放在水平桌面上,求

题型:问答题

题目:

一个正方体木块,重力大小是25N,各面的面积都是0.01m2,放在水平桌面上,求木块对桌面的压强.

答案:

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