Directions: Use your knowledge of the key concepts from Chapter 1 to answer the following questions. Part 1: What makes an object’s motion change? Model and Explain what you would need to do to change each object’s velocity. Object’s Velocity Change Model: draw an arrow to show the direction the force was applied to the object to change its velocity. Explain using words what you would need to do to change each object’s velocity. Object 1: Start Moving Object 2: Speed Up Object 3: Slow Down Object 4: Stop Moving Object 5: Move in Opposite Direction