00:01
First i have to identify the known and unknown parameters and in order to do this, let's make the sketch.
00:06
Let's start from cable b, which has a tension cba.
00:13
Then let's show tension cbc.
00:18
And here let's label angles, which are known.
00:25
So let's label this angle alpha.
00:28
And this tension will be c eb.
00:34
And yeah, in the opposite direction, that is tension cbe.
00:42
Tbe equals to c eb in terms of the magnitude.
00:48
Let's also show that tension t ez and the weight w.
00:54
So here are known parameters are weight and angles.
01:01
Unknown are tensions, which are cbc, cba, cbe, and also tbe, and also tbe.
01:17
So here, answer to is already done...