PHYSICS

5. be used before a unit to indicate a multiple of 10 or 1/10,
6. An object that is thrown or launched into the air and is only significantly influenced by the force of gravity during its flight,
8. object that can be represented as a mass at a single point in space,
9. The size or length of a vector
12. the motion of an object that can move only along a straight line,
13. quantity, a physical quantity is described by a single number (with a unit),
14. A ratio that compares two quantities with different units of measurement,
15. The change of an object’s position or orientation with time,
20. which might be a straight line or might be curved,
21. definitions,The path along which an object moves,
22. a change of position,

1. Your location at a particular instant in time (when your friend phoned),
2. model, allows us to see connections that are very important but that are obscured or lost by examining all the parts of an extended object,
3. A number expressing the central or typical value in a set of data,
4. a reference point (the post office) from which all distances are to be measured,
7. Occurring or done in an infinitely small amount of time,
10. The symbol that represents a position along an axis,
11. quantity, a quantity that has both a size (How far? or How fast?) and a direction (Which way?),
16. A system that interacts with another system to extract and store information about it,
17. intervals, changes in time,
18. diagram, an object’s positions at several equally spaced instants of time,
19. not only the object’s speed but also the direction in which it is moving,