Vocab 2

1. a coherent, typically large body of matter with no definite shape
3. Rate of change of velocity
6. the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution
8. the force that attracts a body toward the center of the earth, or toward any other physical body having mass
10. an intervening time or space
11. Unit of force
12. the dimensions of distance divided by time
15. an amount of space between two things
17. the action or process of moving or being moved
18. an increment of a variable
19. an instrument indicating its speed

2. a force under the influence of which objects tend to move toward each other
4. the property of matter and radiation which is manifest as a capacity to perform work
5. strength or energy as an attribute of physical action or movemen
7. physical quantity that has a value for each point in space and time
9. the resistance that one surface or object encounters when moving over another
12. Slope is a term that can refer to the angle or slant of a surface or a line
13. an object does not change it position with the passage of time
14. force acting on an object due to gravity
16. An object's place, or location