如图所示为一个竖直放置的轻质弹簧,上端与一物体相连,物体在A、B之间上下运动.在O点为物体重力与弹簧弹力大小相等的位置,A点为弹簧处于原长时上端的位置.物体由C点运动到D点(C、D两点
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![如图所示为一个竖直放置的轻质弹簧,上端与一物体相连,物体在A、B之间上下运动.在O点为物体重力与弹簧弹力大小相等的位置,A点为弹簧处于原长时上端的位置.物体由C点运动到D点(C、D两点](/uploads/image/z/9335563-43-3.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E4%B8%BA%E4%B8%80%E4%B8%AA%E7%AB%96%E7%9B%B4%E6%94%BE%E7%BD%AE%E7%9A%84%E8%BD%BB%E8%B4%A8%E5%BC%B9%E7%B0%A7%2C%E4%B8%8A%E7%AB%AF%E4%B8%8E%E4%B8%80%E7%89%A9%E4%BD%93%E7%9B%B8%E8%BF%9E%2C%E7%89%A9%E4%BD%93%E5%9C%A8A%E3%80%81B%E4%B9%8B%E9%97%B4%E4%B8%8A%E4%B8%8B%E8%BF%90%E5%8A%A8.%E5%9C%A8O%E7%82%B9%E4%B8%BA%E7%89%A9%E4%BD%93%E9%87%8D%E5%8A%9B%E4%B8%8E%E5%BC%B9%E7%B0%A7%E5%BC%B9%E5%8A%9B%E5%A4%A7%E5%B0%8F%E7%9B%B8%E7%AD%89%E7%9A%84%E4%BD%8D%E7%BD%AE%2CA%E7%82%B9%E4%B8%BA%E5%BC%B9%E7%B0%A7%E5%A4%84%E4%BA%8E%E5%8E%9F%E9%95%BF%E6%97%B6%E4%B8%8A%E7%AB%AF%E7%9A%84%E4%BD%8D%E7%BD%AE.%E7%89%A9%E4%BD%93%E7%94%B1C%E7%82%B9%E8%BF%90%E5%8A%A8%E5%88%B0D%E7%82%B9%EF%BC%88C%E3%80%81D%E4%B8%A4%E7%82%B9)
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