help please
choose the correct answer:
1. The most suitable scale to represent a force 100N on a graph paper is:
a- 1 cm for 50N.
b- 1 cm for 1N.
c- 1 cm for 0.5N.
2. A karateka breaks a board with his hands. what is the most significant effects of this force?
a- Set the board in motion.
b- Modify the board's motion.
c- Deform the shape of the board.