Need for Speed practice test

Answer the following questions on a piece of paper. Check your answers with the key at the bottom of the page.

For questions 1-5, identify whether the following is a time INSTANT or a time INTERVAL. Write instant or interval for your answer.

1. Your alarm rings at 6:45 am.
2. The length of time that you sleep.
3. The moment that your head hits the pillow at night.
4. How long your shower is in the morning.
5. The time it takes to brush your teeth.

Match the following terms with the columns to the right

6. Distance
7. Displacement
8. Slope of distance vs. time graph
9. Acceleration
10. Mass
11. Interval
12. Velocity
13. Scalar
14. Vector
15. Newton

16. If it takes me 5 hours to drive to Saint George Utah (350 km), what is my average speed?

17. How far would a car travel if it were maintaing a constant speed of 45 mph for 4 hours?

18. Why has the leaning tower of Pizza not fallen over?

19. Unbalanced forces cause ____________.

20. According to Newtons Universal law of Gravitation if I were to double the distance between two objects,
the force between them would be reduced by what fraction?

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Answer Key

1. Instant
2. Interval
3. Instant
4. Interval
5. Interval
6.h
7. j
8. b
9. d
10. g
11. a
12. c
13. f
14. i
15. e
16. 70 km/h
17. 180 miles
18. It's center od gravity is still inside the area of support
19. Acceleration.
20. 1/4 remember, that the distance is squared in the equation