本题目来源于试卷: Newton’s law of motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
00.11: A certain particle undergoes erratic motion. uf,h9mzrtc 51 At every point in its9b f 3peo/e2m6y tkz9kjt7 qh8 motion, the direction of the particle’ f /hyz2mk jqe36t98kb9oe7 pts momentum is ALWAYS
A. the same as the direction of its velocity
B. the same as the direction of its acceleration
C. the same as the direction of its net force
D. the same as the direction of its kinetic energy vector
E. none of the above
参考答案: A
本题详细解析:
暂无
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