GRIZRED-Ila-6 1. WHAT HAPPENED What do you think? BRAIN CHALLENGE! Directions. Answer the following questions in 1-2 sentences only. Use a separate sheet of paper for your answers. (3 points for each acceptable answer.) Scenario: You are watching your friend riding on his/her bicycle. Focus your attention to the spinning wheel as it rotates relative to its axis of rotation. 1. Relative to the ground, is the center of the wheel moving? Why or why not? 2. Relative to the wheels' axis or point of rotation, is the center of the wheel moving? Why or why not? 3. Which question can be explained with translational motion? 4. Which question can be explained with rotational motion? 5. At the point where the wheel touches the ground while spinning, the translational velocity is zero, meaning, the wheel is not in motion. Is that true? Why or why not