Good Afternoon !. Have out your homework, journal, Science Book, and pen/pencil! Analysis #1-Act. 85
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The advantages are: high quality, reliable source,averageperson,safety uses
The disadvantages are: expensive,last for a few years, only based on average person, not sure if parts are environmental friendly
When vehicles turn over (flip over) on sides, no stability or center of mass
Ex: Suv, RV, semi-trucks, pick up trucks
The center of the mass falls within the area of an object’s base of support, an object will not topple(fall).
In a car the base support is the area immediately under the four tires. If a car takes a turn or swerves in such a way that the center of the mass is outside the rectangular base inscribed by the tires, it will roll over.
Your friend’s parents want to haul some lumber in their station wagon. His parents are not sure whether to put the lumber in the wagon on the roof rack and tie it. What advice would you give them? Explain in terms of center of mass.
Analysis Questions #1-3 pg. E-60
Recycled Car Project due 4/16/13
Remember if you want to stay after school next Tues & Thurs. let me know.
Extra Credit due tomorrow. Act. 84 Extension Question