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BESARAN, SATUAN DAN VEKTOR - Blog

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Arah resultan : tg =<br />

∑ v<br />

∑ v<br />

Y<br />

X<br />

Uraian Vektor Pada Sistem Koordinat Ruang ( x, y, z )<br />

α , β , γ = masing-masing sudut antara<br />

vektor A dengan sumbu-sumbu x, y dan z A = A x + A y + A z atau<br />

A = / A x / i + / A y / j + / A z / k / A x / = A cos α / A y / = A cos β / A z / =<br />

A cos γ<br />

Besaran vektor A<br />

A = / A / + / A / + / A /<br />

2 2 2<br />

X Y Z<br />

dan i , j , k masing-masing vektor satuan pada sumbu x, y dan z<br />

9

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