# Are units tension vectors?

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## The Attempt at a Solution

Im just trying to figure out all of the forces, im kinda confused about the whole $$T_{BDC}$$ Do i just make these two separate tensions...and then add them together or something? Can someone explain how I should go about doing this? Also concerning the tensions, should I just make them into unit vectors...in i, j, and k components?

Im kinda new to these problems, any help would be appreciated..

Thanks

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