英语翻译A slender rod of length L=200mm is held in equilibrium a

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英语翻译
A slender rod of length L=200mm is held in equilibrium as shown ,
with one end against a frictionless wall and the oher end attached to a cord of length S=300mm.
Knowing that the weight of the rod is 10 N,
determine (a) the distance h,
(b) the tennsion in the cord,(c) the reaction at B.

A slender rod of length L=200mm is held in equilibrium as shown
一个长200mm的细杆（如图所示）平衡放置,
with one end against a frictionless wall and the other end attached to a cord of length S=300mm.
细杆的一端靠在一面光滑的墙上,另外一端系在一条长度为300mm的绳索上.
Knowing that the weight of the rod is 10 N.
已知杆是10N.
determine 求
(a) the distance h （a）距离/高度h
(b) the tension in the cord （b）绳子的拉力/拉力
(c) the reaction at B. （c）B的反作用力
有图的话应该更好理解,不做物理题好多年,大致应该是这样的,我不能保证精确~就像后面那个求绳子的张力还是拉力,我也不是很清楚.如果你正在学物理的话,你应该可以根据我给你的大致翻译明白题意~,提问中的两个量“h”和“B”应该是在题目的图片中又所标示吧.

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