Context: Clara is hammering a chisel into a block of marble to carve a sculpture. The hammer is pushing the chisel forward with a force of 40N. The block of marble is pushing the chisel backward with a force of 40N.
Assume all other forces on the chisel are balanced. Which statement describes the forces on the chisel?
A. The forces are unbalanced, so there is a net force on the chisel.
B. The forces are balanced, so there is no net force on the chisel.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B