试题与答案

如图所示,质量为m的木块在与水平方向成θ角的恒定推力作用下,在水平地面上做匀速运

题型:填空题

题目:

如图所示,质量为m的木块在与水平方向成θ角的恒定推力作用下,在水平地面上做匀速运动。已知木块与地面间的动摩擦因数为μ,则木块受到的滑动摩擦力_____________。

答案:

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答案:B题目分析:考查目的状语:in order that和so that,so as to 和in order to 都是“为的是,为了”。in order that和so that加目的状语从句,so as to 和in order to接动词, in order...

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