Question

Is this correct?

Answer 1

Here's the image

Answer 2

I think the answer for m2 = m1(sin (37.2) - \mu cos(37.2)).

Answer 3

because for \sigma(Fy) ==> i mean for m2, equal to m2*g. Not m2*a.

Answer 4

and are you sure that the question says there exist a friction constant?