在你骑自行车上学途中，若以你骑的自行车为参照物，路旁的树是_1（选填“运动”或“静止”）的；为了减小车速，要捏紧车闸，这是通过_2的方法增大摩擦，同时也能说明力能改变物体的_3．_刷题宝

题干

在你骑自行车上学途中，若以你骑的自行车为参照物，路旁的树是____（选填“运动”或“静止”）的；为了减小车速，要捏紧车闸，这是通过____的方法增大摩擦，同时也能说明力能改变物体的____．

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答案(点此获取答案解析）

运动,增大压力,运动状态

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