It is an example of rolling friction because balls roll.
Answer is ROLLING
Answer:
Styrofoam would be the best insulator because it traps the air in small pockets, blocking the flow of heat energy.
Explanation:
Sorry!
This cannot be answered. We don't have weight, height, etc.
Answer: when a object gets slowed down, it's force is either going into friction and drag, if it's on the ground, and weight+drag+friction, if it's in the air.
Explanation: