Dynamics 2

3. When the mass of one object is doubled, the force attracting it to another object _______
5. A spring with k=1200N/m stretches .042m experiences a ____N force
6. Velocity is always ______ to the circle at all points in circular motion
8. The region in which a spring will return to its normal size when a force is removed
9. Centripetal ______ is related to the velocity squared over the radius
10. The force of gravity is ________ proportional to the square of the distance between the objects' center
12. This force is the force a spring exerts to go back to its original size
14. When a spring has a mass placed on top of it, it __________
16. The region in which a spring will be permanently deformed when a force is removed
17. The force of gravity is ________ proportional to mass

1. G represents the universal gravitational _______
2. The mass and _______ are the two most important variables when calculating the force of gravity between two objects
4. When a spring has a mass attached to one end, it __________
5. Centripetal _____ is related to the mass times velocity squared over the radius
7. The centripetal force always points towards the ______ of the circle
11. This force bends an object's path to keep it in a circular path
13. The field lines off of an object with mass extend to ______
15. This law explains how a spring will react to different forces applied to it