What is the magnitude of the force that lifts a 3-kilogram object straight upwards? a. 3.0 n b. 3.3 n c. 9.8 n d. 29.4 n

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.