Mechanical Energy Project Use a Toy to show your understanding of Mechanical Energy What toy are you going to build? What happens to the potential energy as the object starts to move? Write the formula for Potential energy……………………… What variables affect the amount of Potential Energy of your toy? 1. 2. 3. Choose one to be your Independent variable. The other 2 variables must be kept constant. Why do you need to choose only one variable to change?