Context: Martin is standing on a diving board at the pool. Earth's gravity is pulling down on Martin with a force of 400N. The diving board is pushing up on Martin with a force of 400N.
Assume all other forces on Martin are balanced. Which statement describes the forces on Martin?
A. The forces are balanced, so there is no net force on Martin.
B. The forces are unbalanced, so there is a net force on Martin.
Select the correct answer from the given choices and respond with the letter of the chosen option.

A