ch2_7lecture

ch2_7lecture - POSITION & FORCE VECTORS (Sections 2.7 -...

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POSITION & FORCE VECTORS (Sections 2.7 - 2.8) Today’s Objectives : Students will be able to : a) Represent a position vector in Cartesian coordinate form, from given geometry. b) Represent a force vector directed along a line. In-Class Activities : Check homework Reading quiz Applications / Relevance Write position vectors Write a force vector Concept quiz Group Problem Attention quiz
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READING QUIZ 1. A position vector, r PQ , is obtained by A) Coordinates of Q minus coordinates of P B) Coordinates of P minus coordinates of Q C) Coordinates of Q minus coordinates of the origin D) Coordinates of the origin minus coordinates of P 2. A force of magnitude F, directed along a unit vector U , is given by F = ______ . A) F ( U ) B) U / F C) F / U D) F + U E) F – U
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Wing strut APPLICATIONS How can we represent the force along the wing strut in a 3-D Cartesian vector form?
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POSITION VECTOR A position vector is defined as a fixed vector that locates a point in space relative to another point.
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This note was uploaded on 10/04/2010 for the course ME 214 taught by Professor Lipovetsky during the Summer '06 term at Cal Poly Pomona.

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ch2_7lecture - POSITION & FORCE VECTORS (Sections 2.7 -...

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