Let’s combine various gears by dragging the screen. How can I combine to speed up? How can I combine to slow it down?
What about x-component of velocity during projectile motion? What about y-component of velocity during projectile motion? What direction does the object’s motion change? (Horizontal direction or vertical direction)
Drop the object free by clicking on the screen. What is the relationship between the time-distance graph and the time-velocity graph?