平面任意力系可简化为一个平面汇交力系和一个平面附加力偶系
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、柔体约束特点是限制物体沿绳索伸长方向的运动,只能给物体提供拉力
A. 对
B. 错
滑动摩擦力的计算公式为F=μN
A. 对
B. 错
True or false:Relationships drive business in Japan. Without the right depth of relationships with the right people, it can be very difficult to achieve anything.
A. True
B. False