Understanding the Concepts

* Newton's Second Law: This law states that the net force acting on an object is equal to its mass times its acceleration (F = ma).

* Thrust: The force produced by the rocket engine that propels the rocket upward.

Solving the Problem

1. Identify the knowns:

* Thrust (F) = 12000 N

* Acceleration (a) = 6.4 m/s²

2. Identify the unknown:

* Mass (m)

3. Apply Newton's Second Law:

* F = ma

* 12000 N = m * 6.4 m/s²

4. Solve for mass (m):

* m = 12000 N / 6.4 m/s²

* m ≈ 1875 kg

Answer: The mass of the rocket is approximately 1875 kg.