如图甲所示,重为16N的物体A在拉力F的作用下,5s内匀速运动了0.5m.拉力做的功随时间变化的图象如图乙所示.物体A在水平桌面上运动时受到的摩擦阻力为物重G的0.25倍.求:(1)拉力F的功
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![如图甲所示,重为16N的物体A在拉力F的作用下,5s内匀速运动了0.5m.拉力做的功随时间变化的图象如图乙所示.物体A在水平桌面上运动时受到的摩擦阻力为物重G的0.25倍.求:(1)拉力F的功](/uploads/image/z/3268435-67-5.jpg?t=%E5%A6%82%E5%9B%BE%E7%94%B2%E6%89%80%E7%A4%BA%2C%E9%87%8D%E4%B8%BA16N%E7%9A%84%E7%89%A9%E4%BD%93A%E5%9C%A8%E6%8B%89%E5%8A%9BF%E7%9A%84%E4%BD%9C%E7%94%A8%E4%B8%8B%2C5s%E5%86%85%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%E4%BA%860.5m%EF%BC%8E%E6%8B%89%E5%8A%9B%E5%81%9A%E7%9A%84%E5%8A%9F%E9%9A%8F%E6%97%B6%E9%97%B4%E5%8F%98%E5%8C%96%E7%9A%84%E5%9B%BE%E8%B1%A1%E5%A6%82%E5%9B%BE%E4%B9%99%E6%89%80%E7%A4%BA%EF%BC%8E%E7%89%A9%E4%BD%93A%E5%9C%A8%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E4%B8%8A%E8%BF%90%E5%8A%A8%E6%97%B6%E5%8F%97%E5%88%B0%E7%9A%84%E6%91%A9%E6%93%A6%E9%98%BB%E5%8A%9B%E4%B8%BA%E7%89%A9%E9%87%8DG%E7%9A%840.25%E5%80%8D%EF%BC%8E%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E6%8B%89%E5%8A%9BF%E7%9A%84%E5%8A%9F)
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