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Evaluation Warning: The document was created with Spire.Doc for .NET.2700N的物体,物体上升了 2m,绳子...
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1 .用如图所示滑轮组将一物体匀速提高 2m,已知拉力大小恒为 60N,Evaluation Warning: The document was cr...
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Evaluation Warning: The document was created with Spire.Doc for .NET.第25廳图绕法;(2 )求滑轮组的机械...
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Evaluation Warning: The document was created with Spire.Doc for .NET.11.3 测算滑轮组的机械效率 练习试...
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.此文档可编辑打印,页脚下载后可删除!初中物理计算题提高训练——功率和机械效率1、2021年5月22日,世界内...
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学习必备 欢迎下载Evaluation Warning: The document was created with Spire.Doc for .NET.学习必备 欢迎下...
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实用标准文案Evaluation Warning: The document was created with Spire.Doc for .NET.热机效率计算题1、 为...
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Evaluation Warning: The document was created with Spire.Doc for .NET.力向下拉动绳子,5s内可使物体匀速...
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