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# Unit 2: Classical Mechanics | Physics Web Links

One | Two | Three | Four | Five | Six |

## Chapter 4: Vectors and Scalars

• Vectors—This is a resource for vector review and gives interactive practice resolving components of vectors.

## Chapter 6: Dynamics

• Equilibrium of Forces—This three-forces applet will give students practice resolving forces. (There are many other physics applets at this site. You will want to ensure that Java is up to date in your browser for this site to work properly.)

## Chapter 7: Circular Motion

• Centripetal Force—This is a good resource site with a concept map of circular motion.
• Carousel—Links to an interactive applet that displays component and total force vectors on a rotating carousel rider under varying conditions.
• Roller Coaster Designer—This is a fun application of dynamic physics using a roller coaster designer tool.

## Chapter 8: Applying Newton’s Laws

• Rolling Friction—This is a semi-technical article that presents more information about the causes of rolling friction.
• Space Settlement Contest—Highly recommended! Provides all the necessary links and background information for the annual NASA-Ames contest.

## Chapter 9: Work and Energy

• Mechanical Work—This site provides clear, visual explanations, including animations, for calculating mechanical work.

## Chapter 11: Momentum

• 2-D Collisions—This physics applet that permits interactive adjustment of parameters in a 2D collision. You will want to ensure that Java is up to date in your browser for this site to work properly.
• Angular Momentum Demo—This is an instructive video clip of a person on a spin table demonstrating conservation of angular momentum. You will want to ensure that Java is up to date in your browser for this site to work properly.

## Chapter 12: Periodic Motion

• SHM simulation—Click on each of the links in succession to visualize the relationship between simple harmonic motion and circular motion.
• Foucault pendulum—This site provides excellent animations that explain Foucault pendulum motion and especially pendulum precession.
• Tacoma Narrows Bridge—This semi-technical article discusses the physics behind the famous failure of the Tacoma Narrows Bridge.
• Decibels—This interactive resource describes how the decibel quantifies power relationships.