如上右图所示、质量为mA和mB的两物体A、B由劲度系数为k的轻弹簧相连,在平行于斜面的外力F作用下,沿粗糙斜面匀速上滑,在突然撤去F的瞬间,A的加速度大小为__________,方向______________,B的加速
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![如上右图所示、质量为mA和mB的两物体A、B由劲度系数为k的轻弹簧相连,在平行于斜面的外力F作用下,沿粗糙斜面匀速上滑,在突然撤去F的瞬间,A的加速度大小为__________,方向______________,B的加速](/uploads/image/z/6578789-5-9.jpg?t=%E5%A6%82%E4%B8%8A%E5%8F%B3%E5%9B%BE%E6%89%80%E7%A4%BA%E3%80%81%E8%B4%A8%E9%87%8F%E4%B8%BAmA%E5%92%8CmB%E7%9A%84%E4%B8%A4%E7%89%A9%E4%BD%93A%E3%80%81B%E7%94%B1%E5%8A%B2%E5%BA%A6%E7%B3%BB%E6%95%B0%E4%B8%BAk%E7%9A%84%E8%BD%BB%E5%BC%B9%E7%B0%A7%E7%9B%B8%E8%BF%9E%2C%E5%9C%A8%E5%B9%B3%E8%A1%8C%E4%BA%8E%E6%96%9C%E9%9D%A2%E7%9A%84%E5%A4%96%E5%8A%9BF%E4%BD%9C%E7%94%A8%E4%B8%8B%2C%E6%B2%BF%E7%B2%97%E7%B3%99%E6%96%9C%E9%9D%A2%E5%8C%80%E9%80%9F%E4%B8%8A%E6%BB%91%2C%E5%9C%A8%E7%AA%81%E7%84%B6%E6%92%A4%E5%8E%BBF%E7%9A%84%E7%9E%AC%E9%97%B4%2CA%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BA__________%2C%E6%96%B9%E5%90%91______________%2CB%E7%9A%84%E5%8A%A0%E9%80%9F)
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