Directions: Choose the correct answer and write the letter on the space provided.

___10. Which of the following affects the motion of an object?
A. push B. pull C. friction D. all of the above
___11. A force is described as________.
A. a push only B. a pull only C. a push or a pull D. none of the above

___12. Making a playground slide smoother ___.
A. decreases friction B. decreases motion
C. decreases speed D. decreases weight

___13. An object thrown upwards falls because of ____.
A. gravity B. pull C. friction D. push

___14. Which of the following is a measure of speed?
A. km B. min C. m/s D. cm

___15. What does the measurement 92 meters per second refer to?
A. distance B. time C. speed D. all of the above

___16. To find the speed of an object, you need to know the distance and ____.
A. force B. position C. time D. friction

15 points :)