Aristotle taught that a force was always required to keep an object moving. Which of the following states what Newton believed?

OPTIONS:
- Aristotle was correct.
- Aristotle was correct for objects on Earth but not in space.
- An object will keep moving unless an unbalanced force stops it.
- A moving object will eventually stop even though an unbalanced force keeps pushing on it.
An object will keep moving unless an unbalanced force stops it.