1. Understand the Forces:

* Applied Force (F_applied): 2250 N (This is the force pushing the car forward)

* Friction Force (F_friction): 750 N (This force opposes the motion)

* Net Force (F_net): The difference between the applied force and the friction force.

2. Calculate the Net Force:

* F_net = F_applied - F_friction

* F_net = 2250 N - 750 N

* F_net = 1500 N

3. Apply Newton's Second Law:

* Newton's Second Law states: F_net = m * a

* Where:

* F_net is the net force

* m is the mass

* a is the acceleration

4. Solve for Acceleration:

* a = F_net / m

* a = 1500 N / 400 kg

* a = 3.75 m/s²

Answer: The acceleration produced by the 2250 N force is 3.75 m/s².