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 i ; 5fs,t dvyt/ c- cmlmx/vrw;8nto a F er):d*ub,5110vwaseff g na6 1*fk8et xeo fmerris Wheel seat that rotates counterclockwise at constant speed at an amuseme 0fm 1)fn:,v*war fob56 a1xgt se8d1ekfu e* ent 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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