【判断题】【消耗次数：1】
静力学基本公理有力的平行四边形公理、二力平衡公理、加减平衡力系公理、作用力和反作用力定律四个。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
力的平行四边形公理中的两个分力和它们的合力的作用范围
①
必须在同一个物体的同一点上；
②
可以在同一物体的不同点上；
③
可以在物体系统的不同物体上；
④
可以在两个刚体的不同点上。
【多选题】
关于作用力与反作用力下列说法正确的是（ ）
①
作用力与反作用力作用在同一物体上
②
作用力与作用力方向相反
③
作用力与反作用力大小相等
④
作用力与反作用力沿同一直线分别作用在两个物体上
⑤
作用力与作用力方向可以根据计算确定
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Why not buy a cheaper one, ___ you don’t have enough money?
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since
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as if
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hope
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that; that
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