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