問題詳情
1 * The 200 Ih block is at rest on the plane shown in Figure 1. The coefficient of friction between the block and the plane is 0.45. The force I) is applied gradually (逐 漸）unt.il the block begins to move. If the block is to neither tip (傾斜）nor slide, determine the maximum force P that can be applied. (20%)
參考答案
答案：A
難度：簡單0.889635
統計：A(1193),B(47),C(10),D(41),E(0)
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