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如果物体不在匀速直线运动时，摩擦力是否等于牵引力？
如果物体不在匀速直线运动时，摩擦力是否等于牵引力？
2025-03-17 00:10:29
推荐回答（2个）
回答1：
不等于
只有在水平路面上做匀速直线运动时，摩擦力等于牵引力。
水平路面上时做加速运动时，摩擦力小于牵引力。
水平路面上时做减速运动时，摩擦力大于牵引力或此时没有牵引力。
回答2：
谢谢谢谢谢谢！懂了
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