Newton's Second Law of Motion
Newton's Second Law of Motion states: Force (F) = Mass (m) x Acceleration (a)
Applying the Formula
* Mass (m): 0.15 kg
* Acceleration (a): 40.0 m/s²
Calculation
F = (0.15 kg) * (40.0 m/s²)
F = 6.0 N (Newtons)
Answer
The net force on the baseball is 6.0 Newtons.