Chapter 1

Important Physics Equations and Concepts
(click on the term to get more information---close the window when finished)

Be sure to click on the individual terms and investigate the examples in the pop-up window. . . they are quite good!


1. Complete the graphs on the right?

2. How can you discern the difference between velocity and acceleration?

3. Is it possible for an object to have a non-zero velocity and zero acceleration? Explain.

4. Is it possible for an object to have a non-zero acceleration and zero velocity? Explain.

5. Newton's three laws extend beyond the realm of physics. How does the third law relate to everyday life?

6. How does mass relate to energy?

7. How does acceleration relate to gravity?

8. How would it be possible to determine the velocity of the earth around the sun? Is this velocity the correct velocity of the earth through the universe?

9. How much pressure is on your body due to the atmosphere?

10. Why does a balloon expand as it rises up into the sky?

11. What kind of waves are sound waves? Explain. Draw a picture.

12. What is the energy difference between a 2 kg brick lying on your foot and one that is held one meter above your toes?

13. How are sound waves produced and heard---using forms of energy in your explanation. Draw a diagram?

14. Why is it possible to pierce a balloon with a needle but very difficult with your thumb? Why is it easier to cut bread with a sharp knife rather than a dull one?

15. You place your 2 kg physics book in the back window of a car. You want to determine the energy of the flying book as the car is traveling 30 mph and stopping instantly? What is the energy of the flying book if the car is traveling 60 mph? How does this compare to a 2 kg brick one meter above your foot? Why do the airline stewards want you to keep your carry-ons under the seat in front of you?

16. What is the speed of sound? Why is this not constant everywhere? When is a sonic boom is created---explain?

17. Why do my ears ring after a loud concert?

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