Two forces FA and FB are applied to an object whose mass is 14.0 kg.?

[screechingContender708]

Two forces FA and FB are applied to an object whose mass is 14.0 kg. The larger force is FA. When both forces point due east, the object's acceleration has a magnitude of 1.20 m/s2. However, when FA points due east and FB points due west, the acceleration is 0.600 m/s2, due east. Find the magnitude of FA and the magnitude of FB.

[massivedime938]

I can give u the magnitudes but the solution is too long FA=11.9 and FB=3.5 . one thing F=m.a multiple obj mass and the acceleration in the both situations then equal them to the sum and difference of the forces u will find it