CHAPTER 6. VECTORS
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Figure 83.
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588.
O O O
N N N
u v w
u v w
á à â
ï ì î
r r r
r r r
= × = =
=
589.
= × = −
O O
N N
O O
N N
O O
N N
u v
u v
I
u w
u w
I
v w
v w
ï ì î
r r r
=
=
- p=ì×î=ì⋅î⋅ëáåθ
r r r r
=EcáÖKUPF=
=
- ^åÖäÉ=_ÉíïÉÉå=qïç=sÉÅíçêë=EcáÖKUPF=
ì î
ì î
ëáå r r
r r
⋅
×
θ= =
=
kçåÅçããìí~íáîÉ=mêçéÉêíó=
ì î ()î ì
r r r r
× =− × ==
- ^ëëçÅá~íáîÉ=mêçéÉêíó=
()()ì î ì î
r r r r
λ ×μ =λμ × =
=
=