什么物理实验,目的,原理Static and Kinetic FrictionIf you try to slide a heavy box resting on the floor,you may find it difficult to get the box moving.Static friction is the force that is acting against the box.
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动摩擦与静摩擦的实验,具体qq上说
======以下答案可供参考======
供参考答案1:
物理实验为：
什么物理实验,目的,原理Static and Kinetic FrictionIf you try to slide a heavy box resting on the floor,you may find it difficult to get the box moving.Static friction is the force that is acting against the box.(图1)
剩下的你就自己思考吧
供参考答案2:
这段话主要是讲静摩擦力总是阻碍物体的移动的，静摩擦力在达到最大值之前会随着水平外力的增加而一直增加，直到水平外力大于最大静摩擦力，这时物体才能移动。放置于水平面上物体的最大静摩擦力在摩擦因素不变的情况下，只与物体质量大小有关，成正比关系，即正比于摩擦因素μ。