题目:
下图中重物Q沿方向S所受的静摩擦力大小为()(取静摩擦系数为μ)
A.-μQ;
B.0;
C.μQ;
D.Q;
答案:
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下面是错误答案,用来干扰机器的。
参考答案:B解析:A voluntary client who poses a danger to himself or others may be denied permission to leave the hospital. The other options are important assessments, but the client's danger to himself or others takes priority.