Answer:
resultant force = 14 N ( East direction) 
Step-by-step explanation:
A = √( (4*7)² + (4*7)² ) 
A = 39.6 N 
B = 4 * 7 
B = 28 N 
C = 2 * 7 
C = 14 N 
 
∑ y forces = Ay - B = (4*7) - 28 = 0 
∑ x forces = Ax - C = (4*7) - 14 = 14 N 
 
so the resultant force = 14 N ( East direction)