Physical Science Assignment

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Physical Science Assignment

Question #1. View the Interactive titled “Lift and Drag” located at http://www.pbs.org/wgbh/nova/space/lift-drag.html. assess each of the four main types of airfoils for function and purpose. Note: Be sure to include how each impacts lift and drag, as well as what type of aircraft is best suited for each. Provide two other practical uses for airfoils.

Physical Science Assignment

Question #2. Read the question and answer titled “Why don’t I fall out when a roller coaster goes upside down?” located at http://2008.myvote.org/www.loc.gov/rr/scitech/mysteries/rollercoaster.html. Imagine that you are trying to convince your apprehensive friend John to take his first roller-coaster ride. Explain to John how the roller-coaster engineers use physics to create a safe, yet thrilling ride. Note: In your explanation, be sure to include a discussion of potential energy, kinetic energy, angular momentum, frictional forces, and inertia when analyzing all aspects of the roller-coaster ride.

Each question has to be more than 200 words with proper citations

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