A skateboarder wants to see how her motion changes during a competition. help her by graphing her distance at one second intervals. this will show her how her speed changes throughout the competition 1. what is the IV?
2. what is the DV?
3. will you use a line graph or a bar graph?

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force