A table has three legs that are 1.00 m in length and a fourth leg that is longer by d = 0.50mm, so that the table wobbles slightly. A steel cylinder with mass M = 390kg is placed on the table (which has a mass much less than M) so that all four legs are compressed but unbuckled and the table is level but no longer wobbles. The legs are wooden cylinders with cross-sectional area $A=1.0c{m}^2$  ; Young's modulus is  $E=1.3\text{ ×}{10}^{10}N/m^2$, the magnitude of the force applied by the longer leg on the table in newtons is