Physics Crossword

3. factor, a ratio showing how many of one unit equal another unit.
5. speed, the total distance traveled divided by the elapsed time.
6. product, a vector resulting from the multiplication of two vectors, also called the vector product.
10. form of a vector, a vector expressed as the sum of its components using unit vectors.
11. the science that studies matter, energy, space, time, and the fundamental laws governing them.
14. vectors, two vectors whose directions differ by 180°.
15. acceleration, the rate of change in velocity calculated as change in velocity over time.
16. of two vectors, the vector sum of the first vector and the antiparallel of the second.
18. a property where operations can be performed in any order without changing the result.
20. due to gravity, the acceleration of an object caused by gravitational force.
21. traveled, the total length of the path between two positions.

1. standards used to express and compare measurements.
2. a property where terms can be grouped in any way without changing the result.
4. fall, motion of an object under the influence of gravity alone.
7. (right-hand) rule, a rule used to determine the direction of a vector cross product.
8. the change in an object’s position.
9. time, the difference between the ending time and the beginning time.
12. quantity, a physical quantity chosen by convention so all other quantities can be expressed from it.
13. angle, the angle between a vector and the positive x-axis measured counterclockwise.
17. unit, the standard used to measure a base quantity within a system of units.
19. velocity, the displacement divided by the time interval under constant acceleration.
22. the degree to which a measured value agrees with an accepted reference value.