Please teach how to solve

0 Question 21 v Find the forces F1 and F2 if the forces are in equilibrium. F1= F2= (The second box is for the units.) 60 lb 0 Question 27 ~ For vectors A : 3'28 4 20 and B : 8.41 4 69 and 5' : 12.11 1 215 calculate: a.31'+72+725': 3+ Magnitude of 321 + 7 23 + 7 26' : Direction in positive degrees relative to +m axis: '3)