1.在水平桌面上用5N的力拉着一个重10N的物体做匀速直线运动,则物体受到的摩擦力大小为几N?2.物体A、B、C的重力均为G=10N,叠放在水平桌面上.作用于B的水平向右的拉力F1=2N;作用于C的水平向
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![1.在水平桌面上用5N的力拉着一个重10N的物体做匀速直线运动,则物体受到的摩擦力大小为几N?2.物体A、B、C的重力均为G=10N,叠放在水平桌面上.作用于B的水平向右的拉力F1=2N;作用于C的水平向](/uploads/image/z/3167480-56-0.jpg?t=1.%E5%9C%A8%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E4%B8%8A%E7%94%A85N%E7%9A%84%E5%8A%9B%E6%8B%89%E7%9D%80%E4%B8%80%E4%B8%AA%E9%87%8D10N%E7%9A%84%E7%89%A9%E4%BD%93%E5%81%9A%E5%8C%80%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E5%88%99%E7%89%A9%E4%BD%93%E5%8F%97%E5%88%B0%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B%E5%A4%A7%E5%B0%8F%E4%B8%BA%E5%87%A0N%3F2.%E7%89%A9%E4%BD%93A%E3%80%81B%E3%80%81C%E7%9A%84%E9%87%8D%E5%8A%9B%E5%9D%87%E4%B8%BAG%3D10N%2C%E5%8F%A0%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E4%B8%8A.%E4%BD%9C%E7%94%A8%E4%BA%8EB%E7%9A%84%E6%B0%B4%E5%B9%B3%E5%90%91%E5%8F%B3%E7%9A%84%E6%8B%89%E5%8A%9BF1%3D2N%EF%BC%9B%E4%BD%9C%E7%94%A8%E4%BA%8EC%E7%9A%84%E6%B0%B4%E5%B9%B3%E5%90%91)
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