A. While walking on a level surface, a person exerts a force F of 100 lb from the hip joint to the shoe of the forward foot just at the time the forward foot in planted fully. Assume the leg forms an angle of 15 degrees with the vertical. What coefficient of friction is required to prevent the shoe from slipping on the floor

i think the answer is a, hope this : )

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!