ولله المشرق والمغرب فأينما تولوا فثم وجه الله ان الله واسع عليم » البقرة 115 صدق الله العظيم »

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ولله المشرق والمغرب فأينما تولوا فثم وجه الله ان الله واسع عليم » البقرة 115 صدق الله العظيم »

 Scalars and vectors.  Vector algebra.  The Cartesian coordinate system.  Vector components and unit vectors.  The dot product.  The cross product.

طرق جمع المتجهات 1. طريقة متوازي المستطيلات A B

2. طريقة المثلث B A

(A.B) = ⃒ A ⃒⃒ B ⃒ Cos(θ AB ) θ BA A B A.B

a N AB= ⃒ A ⃒⃒ B ⃒ Sin (θ AB )

(A.B) = ⃒ A ⃒⃒ B ⃒ Cos(θ AB ) a N (AB)= ⃒ A ⃒⃒ B ⃒ Sin (θ AB ) ماذا تستنتج من المعادلات التالية ؟

1.George B. Thomas, Jr. ‟ Thomas’calculus”, Twelfth Edition, William H. Hayt, Jr & John A. Buck, ‟ Engineering Electromagnetics”, Sixth Edition The McGraw Companies, 2001.