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Mathematics 14 Online
OpenStudy (anonymous):

Determine the magnitude of the forces F1 and F2

OpenStudy (anonymous):

go ahead, shoot the question at me ♥

OpenStudy (anonymous):

OpenStudy (anonymous):

so confused

OpenStudy (anonymous):

i see. where are you confused?

OpenStudy (anonymous):

trying to find the magnitudes of f1 and f2, I saw a similar problem on here but it didnt really help at all

OpenStudy (anonymous):

Not sure where the equations of f1 ,w, and f2 would come in to play

OpenStudy (anonymous):

Let's start with the following statement:\[\vec w + \vec{F_1} + \vec{F_2}=0\]Do you have any problems with this? We'll do this step-by-step.

OpenStudy (anonymous):

no i dont

OpenStudy (anonymous):

Alright. Do you understand how they wrote all the three vectors in their component-form (with i, j and k)?

OpenStudy (anonymous):

yes i understand that

OpenStudy (anonymous):

now:)

OpenStudy (anonymous):

First, sum up the x-components and set them equal to zero. Then sum up the y-components and set them equal to zero.

OpenStudy (anonymous):

of all the vectors?

OpenStudy (anonymous):

indeed.

OpenStudy (anonymous):

are you there?

OpenStudy (anonymous):

do you understand why the sum of x-components = sum of y-components = zero?

OpenStudy (anonymous):

sorry its taking a while

OpenStudy (anonymous):

woot, sorry, i'm back

OpenStudy (anonymous):

do you need further help with the question?

OpenStudy (anonymous):

no thank you:) it really helped that you got me started

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