Physics II

3. The name given to the force that results in acceleration toward the center of a circle is called _? force.
4. The point beyond which a stretched substance will not return to its original length is called its _?
5. The product Fr is called _?
9. An object that follows a circular path at constant speed is in _? motion.
11. An angle whose vertex is placed at the center of a circle and subtends an arc length equal to one radius is the definition for a(n) _?
12. The man who wrote Principia was _

1. The _? of an object is defined as the ratio of its mass to its volume.
2. The type of collision in which kinetic energy is not conserved is called a(n) _? collision.
6. The term _? is often defined as "the capacity to do work."
7. Any solid object rotating about a fixed axis is called a(n) _?
8. The linear distance from one point to another on a circular path is called the _?
10. When the work done in moving an object depends only on the initial and final locations, the object is restrained by _? forces.