物体在做匀速圆周运动过程中，其向心加速度_刷题宝

题干

物体在做匀速圆周运动过程中，其向心加速度

A：大小、方向均保持不变

B：大小、方向均时刻改变

C：大小时刻改变、方向保持不变

D：大小保持不变，方向时刻改变

上一题下一题 0.0难度选择题更新时间:2015-05-11 02:57:53

答案(点此获取答案解析）

D

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