Physics vocab

3. downward movement under the force of gravity only.
7. the rate at which someone or something is able to move or operate.
8. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
10. a place where someone or something is located or has been put.
12. a basis or standard for evaluation, assessment, or comparison; a criterion.
13. a piece of metal known to weigh a definite amount and used on scales to determine how heavy an object or quantity of a substance is.
14. the change in position or displacement (∆x) divided by the time intervals (∆t) in which the displacement occurs.
15. an amount of space between two things or people.

1. a system of geometric axes in relation to which measurements of size, position, or motion can be made.
2. the speed of something in a given direction.
4. the rate of change of velocity per unit of time.
5. the rate of change of an object's position in a specific direction at a particular moment in time
6. a coherent, typically large body of matter with no definite shape.
9. a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
11. the moving of something from its place or position.