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## Homework Statement

Note that the vector F is 50N.

I need to find Theta and the Mass of the Box(M).

http://i5.minus.com/ib08xMuKZxTSbc.png [Broken]

## Homework Equations

What I have so far:

Pulley 2:

FY: T2cos(20) - T1sin(60) + Fsin(45) + T2sin(30) = 0

FX: T2sin(20) + T1cos(60) + Fcos(45) - T2cos(30) = 0

Pulley 1:

Fx= T1sin(Theta) + T1cos(60) = 0

Fy= - T1cos(Theta) - T1sin(60) = 0

Box (M);

Fx= T2sin(20) - T1sin(Theta) = 0

Fy= -Wm +T2cos(20) + T1cos(Theta) = 0

## The Attempt at a Solution

N/A

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