example,Beams - BMD & SFD,Beams - loading, shear and BM relationships,Virtual work method,Virtual displacements,Finding virtual displacements,Virtual Work Method - Examples,Static Friction,Belt Friction,Friction : Solving Problems,General concepts - rigid bodies,Motion of a rigid body = a translation + a rotation,Motion of a point of the rigid body,Motion of one point on a rigid body relative to another,Understanding rotational motion r_dot = w x r,Kinematics velocity and acceleration,Understanding Coriolis Acceleration,Kinematics - Solving problems,Equations of motion of a rigid body,Tips and Techniques,Solving Problems