如图所示，一带负电的金属环绕轴OO′以角速度ω匀速旋转，在环左侧轴线上的小磁针最后平衡的位置是

题干

如图所示，一带负电的金属环绕轴OO′以角速度ω匀速旋转，在环左侧轴线上的小磁针最后平衡的位置是（）

A：N极竖直向上

B：N极竖直向下

C：S极沿轴线向左

D：S极沿轴线向右

上一题下一题 0.0难度选择题更新时间:2014-01-18 09:46:37

D

根据短文理解，选择正确答案。

Attention, Students! Beach Party Comes!

We will hold an outdoor party in Fulong on July 10.

Activities	1). Bike riding or hiking from the Student Centre to the beach 2). A cookout (野炊) on the beach 3). Swimming and sailing competitions
You should bring	sun cream, sunglasses, hats, swimsuits, hiking shoes, and personal items
Deadline (最后期限) for signing up	Friday, June 28
Fee	$300 per person(每人)
Meet at the Student Centre at 9:30 am, July 10.