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

B