Abox of books is in the floor. the following picture shows a push and a pull acting in the box.

what is the net force toward the right of the box?

a. 0 n
b. 50 n
c. 100 n
d. 2,500 n

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?