CEE/ME 241Lecture Notes for Section 9.1-9.21CENTER OF GRAVITY AND CENTROID (Chapter 9)Today’s Objective:Students will:a) Understand the conceptsof center of gravity, center of mass, and centroid.b) Be able todetermine the locationof these points for a system of particles or a body.In-Class Activities:•Check homework, if any•Reading quiz•Applications•Center of gravity, etc.•Determine their location•Concept quiz•Group problem solving•Attention quizREADING QUIZ1. The _________ is the point defining the geometric center of an object.A) center of gravity B) center of massC) centroidD) 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 ________.
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