试题与答案

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.

题型:单项选择题

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.

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