This book “Motion of Cylinders” has been design to cover the syllabus of Mathematics required for the B.Sc. (Hon.), M.Sc. and Engineering students of the Indian Universities. The subject of Motion of Cylinders deals with the laws Governing the pressure and flow of fluids and the application of these laws to engineering practice. The term fluid includes liquid and gases. The term fluid is applied to all the substance which offer no resistance to change of shape. The subject matter has been arranged as to provide a clear and integrated approach to the subject-care has been taken to make the treatment of the subject simple and accessible to the average students.