The production of this e book is to be used as an interesting alternative learning aid It developed to allow students to understand the easier method of solving the Momentum Equation This topic also include in DCC 30122 This eBook presents the principles behind the methods of solving problem for determinate force when subjected to different cases. With these responsibilities in mind, the objective for this eBook is to develop the student's ability to recognize basic knowledge of fluids mechanics We provide an adequate number of self test and problem solving to enhance student knowledge and understanding. Any suggestions, comments and feedback for further improvement are most welcome.