如图所示,一圆盘可绕一通过圆心且垂直盘面的竖直轴匀速转动,

 如图所示,一圆盘可绕一通过圆心且垂直盘面的竖直轴匀速转动,在圆盘上放一块橡皮,橡皮随圆盘一起转动,则该橡皮受圆盘的摩擦力方向(    )

A、与橡皮的运动方向相反     B、与橡皮的运动方向相同

C、指向圆心                 D、背离圆心

 

答案

 C   

 

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