4–15. the post is made of douglas fir and has a diameter of 100 mm. if it is subjected to the load of 20 kn and the soil provides a frictional resistance that is distributed along its length and varies linearly from w = 4 kn> m at y = 0 to w = 12 kn> m at y = 2 m, determine the force f at its bottom needed for equilibrium. also, what is the displacement of the top of the post a with respect to its bottom b? neglect the weight of the post.

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.