His sledgehammer is swung at a wall. Once the sledgehammer hits the wall it does not break through. How do the hammer in the wall act on each other
A the hammer and the wall exit forces on each other that are equal in magnitude, but in opposite directions
B the hammer, exerts a stronger force than the wall, but in the opposite direction
C the hammer, and the wall forces on each other that are equal in magnitude, and in the same direction
D the hammer, exerts a stronger force than the wall, but in the same direction