Select the correct answer.

the roof of a grocery store collapsed during a tornado. which factor of the store will engineers blame for this collapse?

a.

excess dead load

b.

strength of the store

c.

stability of the store

d.

excess stress

e.

excess live load

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)