When you jump from an elevated position you usually bend your knees upon reaching the ground, which makes the time of the contact about 10 times that of a stiff-legged landing. In this way the average force your body experiences is
A. less than 1/10 as great.
B. more than 1/10 as great.
C. about 1/10 as great.
D. about 10 times as great.
Answer:C
When you jump from an elevated position you usually bend your knees upon reaching the ground, which makes the time of the contact about 10 times that of a stiff-legged landing. In this way the average force your body experiences is
A. less than 1/10 as great. B. more than 1/10 as great. C. about 1/10 as great. D. about 10 times as great.