korosh23
  • korosh23
Physics 12 Question!
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
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korosh23
  • korosh23
The answer is right there, just please explain why is it tan 28, and not cos 28? Thank you.
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korosh23
  • korosh23
Also please draw me a free body diagram with the position of folcrum.
anonymous
  • anonymous
I think what they did was divide the sum of the forces in y and x. So \[\huge \frac{ T_y }{ T_x }=\frac{ \sin(28) }{ \cos(28) }=\tan(28)\] The F_y and F_x that I put here are the total forces, they are only the components of that particular triangle (due to the cable) acting in those directions. Then, since they knew T_x they rearranged it so that\[\huge T_y=T_x \tan(28)\] \(T_y\) is the same as \(T_\perp\)

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anonymous
  • anonymous
`I think what they did was divide the sum of the forces in y and x` Sorry, NOT the sum of the forces, just the components of the tension!
korosh23
  • korosh23
@CShrix I do not understand why did they do that for? can you explain more?

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