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Project Based Learning has been researched and practiced at many high schools as well as colleges.Union County Magnet High School is one of 15 schools in New Jersey awarded the Blue Ribbon School Award of Excellence by the United States Department of Education.The students in the Union County Magnet High School strive under the guidance of a group of motivated instructors who are actively involved in innovative teaching pedagogies.Project based learning has been in practice for a number of years at Union County Magnet High School.Since becoming freshman in the fall of 2012 at Union County Magnet High School, the author has been participating in project based learning in various classes.In the sophomore year 2013-2014, the Physics I instructor at Union County Magnet HighSchool led his class to design an innovated practice in order to enhance the comprehension of the fundamental physics concepts a project to design and build car in which only mechanical forces were allowed for propulsion using the application of the concepts covered in class.Through the process of building a mechanically powered car, some problems aroused that led to consideration of friction force, material weight, and stability control, etc.To calculate the distance the car traveled and average velocity of the car, a number of concepts and mathematical equations must be used correctly.In this paper, the design of a mechanically-powered car which won in the categories of farthest distance traveled and fastest speed will be described along with its related physics concepts.It also demonstrates a series of mathematical calculations.The data recorded through a series of experiments and its comparison with theoretical calculations is presented.Index Terms-project based learning