A walkway suspended across a hotel lobby is supported atnumerous points along its edges by a vertical cable above eachpoint and a vertical column underneath. The steel cable is1.16 cm in diameter and is 5.75 m longbefore loading. The aluminum column is a hollow cylinder with aninside diameter of 16.14 cm, an outside diameter of 16.24 cm, andan unloaded length of 3.25 m. When the walkway exerts a load forceof 7200 N on one of the supportpoints, through what distance does the point move down?
mm