Once energy is applied to cause an object to vibrate, a sound occurs. A. True
B. False
SUBMIT

What does that mean

The answer is c. ts-ang chieh

The most basic method for controlling horizontal sway is to simply tighten up the structure. at the point where the horizontal girders attach to the vertical column, the construction crew bolts and welds them on the top and bottom, as well as the side. this makes the entire steel super structure move more as one unit, like a pole, as opposed to a flexible skeleton.