阿摩線上測驗
43. A particle with position vector 
. What is the torque on the particle about the origin?
(A) 
(B) 
(C) 
(D) 
(E) 
答案：登入後查看
統計： A(41), B(3), C(0), D(0), E(2) #2020487
統計： A(41), B(3), C(0), D(0), E(2) #2020487
詳解 (共 1 筆)
面試倒楣鬼-22幸運上後西
#4791907
=r(由圓心指向質點) x F
0
0