| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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01-平衡状态和平衡力（上）.mp4 | 2024-05-13 03:49:54 | 26.19 MB | |
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02-平衡状态和平衡力（下）.mp4 | 2024-05-13 03:49:54 | 39.57 MB | |
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03-二力平衡的条件.mp4 | 2024-05-13 03:49:54 | 63.64 MB | |
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04-二力平衡的应用.mp4 | 2024-05-13 03:49:54 | 59.33 MB | |
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05-圣哲的瑕疵.mp4 | 2024-05-13 03:49:54 | 64.35 MB | |
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06-阻力作用.mp4 | 2024-05-13 03:49:54 | 67.88 MB | |
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07-不受力的运动.mp4 | 2024-05-13 03:49:54 | 48.32 MB | |
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08-牛顿第一定律.mp4 | 2024-05-13 03:49:54 | 67.14 MB | |
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09-不受力会怎样？.mp4 | 2024-05-13 03:49:54 | 47.32 MB | |
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10-惯性.mp4 | 2024-05-13 03:49:54 | 98.73 MB | |
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11-惯性的应用.mp4 | 2024-05-13 03:49:54 | 97.9 MB | |
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20-静摩擦力（上）.mp4 | 2024-05-13 03:49:54 | 48.2 MB | |
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21-静摩擦力（下）.mp4 | 2024-05-13 03:49:54 | 106.55 MB | |
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22-滑动摩擦力.mp4 | 2024-05-13 03:49:54 | 67.93 MB | |
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23-滑动摩擦力的影响因素.mp4 | 2024-05-13 03:49:54 | 83.85 MB | |
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24-摩擦力的利用.mp4 | 2024-05-13 03:49:54 | 105.77 MB | |
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中考练习-影响滑动摩擦力大小的因素.mp4 | 2024-05-13 03:49:54 | 30.78 MB | |
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实验方法-控制变量法(1).mp4 | 2024-05-13 03:49:54 | 34.5 MB | |
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必备技能-测滑动摩擦力.mp4 | 2024-05-13 03:49:54 | 19.49 MB | |
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重点实验-影响滑动摩擦力大小的因素.mp4 | 2024-05-13 03:49:54 | 83.57 MB |