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    What is the horizontal component of the tension?
(A) 0
(B) ...
(C) ...
(D) ...
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*This question is included in 06. Friction and Air Resistance

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Posted: 07/31/2013 14:00
I am having trouble understanding why it is cos and sin. in what specific scenarios should sin be used for the vertical and when should cos be used for vertical pls?
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Posted: 07/31/2013 14:48
Recall high school geometry. Use cos for horizontal projection, and sin for vertical projection.
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