• 2022-10-28
    图示一均质圆盘的质量为m,半径为R,沿倾角为a的斜面滚动而无滑动。已知轮心O的速度大小为v,则它对斜面上与轮的接触点C的动量矩大小为/ananas/latex/p/290073https://p.ananas.chaoxing.com/star3/origin/92f4a4687a2b51b7bfa36a086503d6e2.png