CHAPTER 6. VECTORS======= =
=
Figure 73.
=- ê=^_= ()()()ñN−ñM O+ óN−óM O+òN−òM O
r →
==- fÑ=^_ ê
r
=→
I=íÜÉå=_^ êr
=−→
K=
==
=
Figure 74.
=- u=êÅçëα
r
I=
v=êÅçëβr
I=
w=êÅçëγr
K=
dana p.
(Dana P.)
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