A woman is walking, swinging her arms through a 30° angle every second. The length of each arm is 75 cm. Assuming that the arms move with constant speed during each swing, find the force that the blood vessel must exert on a 2-gram drop of blood from the end of the arm. A. 2 × 10−1 N
B. 2 × 10−2 N
C. 2 × 10−3 N
D. 2 N