A 23-newton horizontal force westward and a 23-newton horizontal force eastward act concurrently on a 10-kilogram object on a frictionless surface. What is the magnitude of the object’s acceleration?
1) 0.0 meters/second^2
2) 1.0 meters/second^2
3) 2.3 meters/second^2
4) 1.5 meters/second^2