如图所示，绳子吊着小球从A点释放，小球会摆动到B点再摆动到C点，再从C点摆回A点，来回摆动数次.假如小球摆到C点时一切外力突然消失，则小球的状态是：( )_刷题宝

题干

如图所示，绳子吊着小球从A点释放，小球会摆动到B点再摆动到C点，再从C点摆回A点，来回摆动数次.假如小球摆到C点时一切外力突然消失，则小球的状态是：( )

A：静止

B：匀速直线运动

C：圆周运动

D：减速运动

上一题下一题 0.0难度选择题更新时间:2019-03-26 08:40:57

答案(点此获取答案解析）

A

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