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Learning media can be defined as an important element in a learning process. One example of learning media is teaching materials in the form of Emodules which in Emodules in this study use momentum and impulse material. One of the materials studied in physics is momentum and impulse. Momentum is a vector quantity so it has both magnitude and direction. Impulse itself is a force event that acts on an object in a short period. This type of research uses Research and Development (R&D) in the Tessmer development model which is also contained in the appendix. The stages are divided into two, including self-evaluation which is a determinant of the design features or specifications of the module. Prototyping where there are teaching modules will later be validated, evaluated, and revised. From the results of the module validation carried out by the examiners as experts, a review was carried out and a score was given to the module, namely, 91.2% consisting of image actualization of 75 points, in the aspect of modernity of the library, a score of 100 was obtained.

This study aims to design and develop an effective learning media and become a media to assist in studying Physics in depth at SMK Mataram Semarang, especially in the Impulse and Momentum material. Physics becomes a boring subject for students, because many students think that Physics is a lesson that is difficult to understand, less interesting and feels monotonous. This has an impact on decreasing students' interest and value in studying Physics.The research was conducted using the Research and Development (R&D) method with six stages, namely Research and Information Collecting (Research and Information Gathering), Planning (planning), Develop Premliminary Form of Product (Product Design Making), Premliminary Field Testing (Product Design Validation) , Main Product Revision (Design Revision), Main Field Testing (Product Testing of Products in the Field by Prospective Users). Determination of the feasibility level of multimedia-based learning media based on design validation by experts and product trials to students using a research instrument in the form of a questionnaire. The development of multimedia-based learning devices can develop devices that have been used so far, from conventional devices to become more interesting learning media. The application of multimedia-based learning media can help support the teaching and learning process to make it easier to explain or deliver material to students. In addition, it can help students to understand more deeply so that students' scores can be increased more than without using learning media.