Newton’s three laws of motion
http://csep10.phys.utk.edu/astr161/lect/history/newton3laws.html
Newton’s first law of motion
http://www.physicsclassroom.com/class/newtlaws/u2l1a.cfm
Newton’s second law of motion
http://www.physicsclassroom.com/Class/newtlaws/u2l3a.cfm
Newton’s third law of motion
http://www.physicsclassroom.com/class/newtlaws/u2l4a.cfm
Forbes magazine’s safest cars under $20,000: includes information about the tests vehicles must pass to make the list. http://www.forbes.com/sites/jimgorzelany/2011/12/16/safest-small-cars-for-under-20000/
The physics of car safety: Detailed articles on each car safety feature and the physics behind it.
http://www.odec.ca/projects/2005/koss5d0/public_html/
Seat belts and physics
http://hyperphysics.phy-astr.gsu.edu/hbase/seatb2.html
The physics of car accidents: Hypothesis, procedure and assessment for a freshman study at a physics based high school. http://elschools.org/best-practices/car-safety-physics-car-crashes
A simple spreadsheet of car safety features and an assessment of their functionality.
phys_y11carsafety
Money-zine reviews car safety features for prospective car buyers.
http://www.money-zine.com/Financial-Planning/Leasing-or-Buying-a-Car/Car-Safety-Features/
Nova Science: Death defying car safety features
http://www.science.org.au/nova/057/057key.htm
Physics and the automotive industry
http://ffden-2.phys.uaf.edu/211.web.stuff/sill/
Vehicle design and the physics of traffic safety
http://sitemaker.umich.edu/mhross/files/physicstoday_jan2006.pdf