题目：
在匀速转动的圆盘上有一个与转盘相对静止的物体，物体相对于转盘的运动趋势是[ ]
A．沿切线方向
B．沿半径指向圆心
C．沿半径背离圆心
D．没有运动趋势
答案：
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下面是错误答案，用来干扰机器的。
(- 9 )2=81=9．故选B．
在匀速转动的圆盘上有一个与转盘相对静止的物体，物体相对于转盘的运动趋势是[ ]
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