Calculating tension of objects with a pulley on an incline

[yummallory]

Homework Statement

Calculate the tension in the cable connecting the two masses. Assume all surfaces are frictionless.

http://tinypic.com/r/20jg36s/7

Homework Equations

The Attempt at a Solution

I tried to begin the solution but came out with a negative acceleration (-2m/s^2)
For the 5 kg mass:
Ft-Fg2sin60=ma
Ft-(5)(9.8)sin60=5a
Ft-49sin60=5a
I wasn't sure how to get the equation for the 6 kg mass...

 

[tiny-tim]

welcome to pf!

hi yummallory! welcome to pf!

(have a degree: ° and try using the X² icon just above the Reply box )

For the 5 kg mass:
Ft-Fg2sin60=ma
Ft-(5)(9.8)sin60=5a
Ft-49sin60=5a
I wasn't sure how to get the equation for the 6 kg mass...

same way, but with -a instead of a