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【简答题】

【名词解释】倾倒力矩(体操)

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题目标签:倾倒力矩
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举一反三

【单选题】How can we get rid of garbage (垃圾) Do we have enough energy sources to meet our future energy needs These are two important questions that many people are asking today. Some people think that man migh...

A.
The shortage of energy and air pollution.
B.
The shortage of energy and the land to hold garbage.
C.
Air pollution and the shortage of fossil fuel.
D.
Air pollution and the shortage of land to hold garbage.

【多选题】对于力矩,正确的说法为( )。

A.
力的大小为零,力矩为零。
B.
力臂为零,力矩为零。
C.
力的大小不为零,力臂为零,力矩不为零。
D.
力沿其作用线移动,力矩要变。

【单选题】飞机保持一定的角速度滚转,这时力矩平衡关系为:()

A.
横侧操纵力矩=横侧安定力矩+横侧阻转力矩
B.
横侧操纵力矩=横侧安定力矩
C.
横侧操纵力矩=横侧阻转力矩