忽略质量的细杆OC= https://assets.asklib.com/psource/2015110210122719635.png ,其端部固结匀质圆盘。杆上点C为圆盘圆心,盘质量为m,半径为r。系统从角速度ω绕轴O转动,系统的动能是()。 https://assets.asklib.com/psource/2015110210131836476.png

A .https://assets.asklib.com/psource/2015110210132723064.png B .https://assets.asklib.com/psource/201511021013302762.png C .https://assets.asklib.com/psource/201511021013333809.png D .https://assets.asklib.com/psource/2015110210133857417.png

时间:2022-11-01 06:04:15 所属题库:第四章理论力学题库

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