如图所示，力F把一物体紧压在竖直的墙壁上静止不动，下列有关力的相互关系叙述正确的是_刷题宝

题干

如图所示，力F把一物体紧压在竖直的墙壁上静止不动，下列有关力的相互关系叙述正确的是（）

A：作用力F和物体对墙壁的压力是一对平衡力

B：墙壁对物体的静摩擦力与物体对墙壁的静摩擦力是一对作用力和反作用力

C：作用力F和墙壁对物体的弹力是一对作用力和反作用力

D：作用力F增大，墙壁对物体的静摩擦力也增大

上一题下一题 0.0难度选择题更新时间:2018-10-28 01:06:24

答案(点此获取答案解析）

B

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