The A-36 steel wire AB has a cross-sectional area of and is unstretched when Determine the applied load P needed to cause u = 44.9.

LECTURE – 1 MECHANICS Study of what happens to a body when forces are applied to it. Mechanics Rigid bodies Deformable bodies Fluids (Don’t change shape) (Do change shape) Compressible Incompressible Statics Dynamics Fundamental physical Quantities Length Mass Time Force Newton’s second Law relates these quantities through the formula F = ma F = Force applied to object m = mass of object a = acceleration of object 2 different unit systems Standard English