Corey and Sally are studying energy transformation. They follow these steps 1. Corey rubs a balloon on the hair on his head
2. Corey moves the same balloon toward the top of Sally's head
3. Sally's hair stands straight up
• Identify the type of energy that is added to the system and transformed into potential energy in an electric field.
• Identify the step in which gravitational potential energy increases and potential energy due to an electric field decreases. Explain your answer
• Explain how this model demonstrates that forces can affect objects without touching them