1. What does it mean to say that something moving in a curved path has a tangential velocity? 2. In what sense does the Moon “fall”? 3. State Newton’s law of gravitation in words. Then state the law...

1. What does it mean to say that something moving in a curved path has a tangential velocity?

2. In what sense does the Moon “fall”?

3. State Newton’s law of gravitation in words. Then state the law in one equation.

4. At what distance from Earth is the gravitational force on an object zero?