Question

How to find the acceleration of the object? (See image)

Answer 1

See below.

Explanation:

`vec F_1+vec F_2=m vec a` then

`vec a = 1/m(vec F_1+vec F_2) = 1/m(F_1 cos theta_1+F_2 cos theta_2,F_1 sin theta_1-F_2 sin theta_2) =g/6( 15/2 + 9 sqrt[3] , (15 sqrt[3])/2-9 )`