Lessons on Rigid Dynamics is a book written by George Pirie in 1875. The book is a comprehensive guide to the principles of rigid dynamics, which is a branch of mechanics that deals with the motion of rigid bodies. The book covers topics such as the motion of a rigid body about a fixed point, the motion of a rigid body about a fixed axis, the motion of a rigid body about a moving axis, and the motion of a rigid body about a fixed plane. The book also...