Why do buildings bend?

Will a body be in equilibrium under action of a single force? Which statements are true about a block of ice at -10 C as you continue to apply heat? How does a maraca create sound? Human body temperature is about 310 K 98.6 degree F At wavelength do humans radiate the most energy What kind of radiation do you emit? Preparing for a Chest CT? What sort of work is done when climbing up the stairs? Which atom has only 6 electrons? What causes the amplitude of a wave to change? Are thermometer accurate? What is the best packing material? What is the definition of physics? Is it true if you let air out of a bicycle tire the valve becomes cold. This is because when a gas under pressure expands it releases energy to the environment? How your weight on earth would change if you were on the moon? What is the illuminating part of the microscope? Can rays be dangerous? What does a Temperature Switch do? A device that produces an electric current by rotating a loop of wire in a magnetic field? Is throwing a curve ball kinetic energy? Does the use of a pulley increases one's power? How much did plastic cost in the 1900s?

Why do buildings bend?