18.973 N18.973 \mathrm{~N}18.973 N
9.486 N9.486 \mathrm{~N}9.486 N
4.7432 N4.7432 \mathrm{~N}4.7432 N
2.3716 N2.3716 \mathrm{~N}2.3716 N
1.1856 N1.1856 \mathrm{~N}1.1856 N