Context: Kimi is sitting on a roller coaster cart as it reaches the bottom of a big loop. Earth's gravity is pulling down on Kimi with a force of 600N. The seat of the cart is pushing up on Kimi with a force of 1,200N.
Assume all other forces on Kimi are balanced. Which statement describes the forces on Kimi?
A. The forces are unbalanced, so there is a net force on Kimi.
B. The forces are balanced, so there is no net force on Kimi.
Identify the correct choice from the options below and respond with the letter of the correct option.
Answer: A