ho_rhr - The Right Hand Rule: The Vector Product: The rst,...

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The Right Hand Rule: The Vector Product: The frst, and For many, only exposure to the right-hand-rule comes by way oF the vector- (or “cross-”) product, so let’s start there. C A B Consider the relationship v C = v A × v B (shown graphically in the fgure above). • | v C | = | v A || v B | sin θ , where θ is the angle between v A and v B . v C points perpendicular to the plane containing v A and v B , in the direction given by the right-hand rule . I know oF at least three ways to fgure the direction oF v C . 1) Use the fngers oF your right hand to push the frst vector in the product ( v A ) into the second ( v B ). Your thumb will point in the direction oF v C . It sounds easy enough, but it’s a little conFusing until you get it. Point the extended fngers oF your right hand along the frst vector and point the palm oF your hand in the (general) direction the second vector is pointing. . . Now you should be oriented correctly.
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This note was uploaded on 11/12/2010 for the course PHYSICS 1B 318007241 taught by Professor Corbin during the Spring '10 term at UCLA.

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ho_rhr - The Right Hand Rule: The Vector Product: The rst,...

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