Discussion

    What is the horizontal component of the tension?
(A) 0
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in 06. Friction and Air Resistance, question #1

The solution is

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Contributor
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?
Posted: 07/31/2013 14:48
Recall high school geometry. Use cos for horizontal projection, and sin for vertical projection.

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