【判断题】【消耗次数：1】
发生剪切变形受到的力是一对等值、反向、共线的力。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
关于剪切力的特点描述正确的是
①
剪切力只要持续存在＞30min，即可造成深部组织的不可逆损害
②
作用于深层，能切断较大区域的小血管供应，导致血液循环障碍
③
垂直方向的压力比剪切力更具危害
④
是引起压力性损伤的第2位原因
【单选题】
一理想均匀直杆受轴向压力P=PQ时处于直线平衡状态。在其受到一微小横向干扰力后发生微小弯曲变形，若此时解除干扰力，则压杆（ ）。
①
微弯状态不变
②
弯曲变形继续增大
③
弯曲变形减少，不能恢复直线形状
④
弯曲变形消失，恢复直线形状
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As it turned out to be a small house party, we___ so formally.
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favoured
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that
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on that
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spoke
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invaluable
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which
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