Lecture_Notes_for_Sections_9.1_9.2

Lecture_Notes_for_Sections_9.1_9.2 - CENTER OF GRAVITY,...

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CENTER OF GRAVITY, CENTER OF MASS AND CENTROID FOR A BODY Today’s Objective : Students will: a) Understand the concepts of center of gravity, center of mass, and centroid. b) Be able to determine the location of these points for a system of particles or a body. In-Class Activities : Check Homework, if any Reading Quiz Applications Center of Gravity Determine Location Concept Quiz Group Problem Solving Attention Quiz
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READING QUIZ 1. The _________ is the point defining the geometric center of an object . A) center of gravity B) center of mass C) centroid D) none of the above 2. To study problems concerned with the motion of matter under the influence of forces, i.e., dynamics, it is necessary to locate a point called ________. A) center of gravity B) center of mass C) centroid D) none of the above
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APPLICATIONS To design the structure for supporting a water tank, we will need to know the weights of the tank and water as well as the locations where the resultant forces representing these distributed loads are acting. How can we determine these weights and their locations?
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APPLICATIONS (continued) One concern about a sport utility vehicle (SUVs) is that it might tip over while taking a sharp turn. One of the important factors in determining its stability is the SUV’s center of mass . Should it be higher or lower for making a SUV more stable?
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Lecture_Notes_for_Sections_9.1_9.2 - CENTER OF GRAVITY,...

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