在半径为0.2m的水平转台的边缘处放一个0.5kg的物体A,在离转轴0.1m处,立一根直杆,杆顶系一根长0.3m的细线,线的另一端拴一个0.1kg的小球B,当转台匀速转动时,A和B都随着转台一起作匀速圆
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![在半径为0.2m的水平转台的边缘处放一个0.5kg的物体A,在离转轴0.1m处,立一根直杆,杆顶系一根长0.3m的细线,线的另一端拴一个0.1kg的小球B,当转台匀速转动时,A和B都随着转台一起作匀速圆](/uploads/image/z/13861872-0-2.jpg?t=%E5%9C%A8%E5%8D%8A%E5%BE%84%E4%B8%BA0%EF%BC%8E2m%E7%9A%84%E6%B0%B4%E5%B9%B3%E8%BD%AC%E5%8F%B0%E7%9A%84%E8%BE%B9%E7%BC%98%E5%A4%84%E6%94%BE%E4%B8%80%E4%B8%AA0%EF%BC%8E5kg%E7%9A%84%E7%89%A9%E4%BD%93A%2C%E5%9C%A8%E7%A6%BB%E8%BD%AC%E8%BD%B40%EF%BC%8E1m%E5%A4%84%2C%E7%AB%8B%E4%B8%80%E6%A0%B9%E7%9B%B4%E6%9D%86%2C%E6%9D%86%E9%A1%B6%E7%B3%BB%E4%B8%80%E6%A0%B9%E9%95%BF0%EF%BC%8E3m%E7%9A%84%E7%BB%86%E7%BA%BF%2C%E7%BA%BF%E7%9A%84%E5%8F%A6%E4%B8%80%E7%AB%AF%E6%8B%B4%E4%B8%80%E4%B8%AA0%EF%BC%8E1kg%E7%9A%84%E5%B0%8F%E7%90%83B%2C%E5%BD%93%E8%BD%AC%E5%8F%B0%E5%8C%80%E9%80%9F%E8%BD%AC%E5%8A%A8%E6%97%B6%2CA%E5%92%8CB%E9%83%BD%E9%9A%8F%E7%9D%80%E8%BD%AC%E5%8F%B0%E4%B8%80%E8%B5%B7%E4%BD%9C%E5%8C%80%E9%80%9F%E5%9C%86)
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