本题目来源于试卷: Typical Forces，类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.08: An object on an ,8 jg.k,pqzwloz/fk3 inc :2or8uf,eh7ij jme2 jlined plane has a gravitational force of magnitude N 1 uj 2ijjm2eh8 7r,fe:o 0 acting on it from the Earth. Which of the following gives the correct components of this gravitational force for the coordinate axes shown in the figure? The y-axis is perpendicular to the incline’s surface while the x-axis is parallel to the inclined surface.
 
A.
B.
C.
D.
E.
参考答案: A
本题详细解析:
暂无
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