Qualification > Math

Mechanics Question

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Ghost Of Highbury:
I know that the Friction force is stopping the ring to slip and opposing T too.

I think it should be F = T + Wsin53.1 (weight component)

But the answer seems to ignore the W, and instead give the equation F = Tsin53.1

elemis:

--- Quote from: Ghost Of Highbury~ on October 20, 2010, 03:27:40 pm ---Click on the "Quote from...." mate.

--- End quote ---

I did that. I'm not dumb you know.... :P

I figured out you were talking about Dania's question.

This whole time I was looking for a question posted by YOU.

Ghost Of Highbury:

--- Quote from: Ari Ben Canaan on October 20, 2010, 03:41:24 pm ---I did that. I'm not dumb you know.... :P

I figured out you were talking about Dania's question.

This whole time I was looking for a question posted by YOU.



--- End quote ---

Ahh ok.

Deadly_king:

--- Quote from: Ghost Of Highbury~ on October 20, 2010, 03:33:03 pm ---I know that the Friction force is stopping the ring to slip and opposing T too.

I think it should be F = T + Wsin53.1 (weight component)

But the answer seems to ignore the W, and instead give the equation F = Tsin53.1

--- End quote ---

W acts perpendicular to the ring...............hence it has no component!

Ghost Of Highbury:

--- Quote from: Deadly_king on October 20, 2010, 04:29:29 pm ---W acts perpendicular to the ring...............hence it has no component!

--- End quote ---

Could you elaborate that plz, and sry for the trouble.

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