Physics Lab Mr. Shields The Laws of Attraction details on the gravitational attraction between two bodies Purpose In this activity you will investigate the quantitative nature of gravitational attraction. Apparatus computer (or tablet) PhET simulation: "Gravity Force Lab" Setup 1. Turn the computer on and allow it to complete its start-up sequence. 2. Open the simulation "Gravity Force Lab." Open the webpage https://phet.colorado.edu/en/simulation/gravity-force-lab 3. Examine the initial setup displayed in the sim. Label m1, m2, Ruler, Reset, Show Values, Mass 1 selector, Mass 2 selector. Procedure 1. THE BASICS 1A. What two distinct changes can you make to the blue mass to increase the attraction? Be specific (i.e., don't use the word "change" in your response; instead, describe the changes using words such as "increase," "decrease," "bigger," "smaller," "toward," "away," etc.). 1A.1 1A.2 1B. Reset the sim using the onscreen Reset button. What two distinct changes can you make to the red mass to decrease the attraction? Again, be specific