拖车钩子的作用力F,不一定与车的纵轴向重合,可以有横向的分力。
•
有啥错?最多就是还有垂直方向的分力
-MoonRiverMe-
♂
(0 bytes)
()
08/17/2020 postreply
09:08:44
•
你是想说力距吧。
-PrimeryColor-
♀
(0 bytes)
()
08/17/2020 postreply
12:47:37
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy