本题目来源于试卷: Circular Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.31: A child is belted q+mf0i+b:)li-x . naxxw wz/ginto a Fe pa*n2)nm 9vklcfy w8):v e2 ejrris Wheel seat that rotates counterclockwise at constant speed at an amus 8nwvm n ekf2pc:2y l)*vja)9e ement park. At the location shown, which direction best represents the total force exerted on the child by the seat and belt?
 
A.
B.
C.
D.
E.
参考答案: D
本题详细解析:
暂无
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