CHAPTER 6. VECTORS

6.3 Vector Subtraction

=

561. ï ì î
     r r r
     = − =áÑ=î ï ì
     r r r
     
     
     • 
       

       = K=

       
       
     
     
     
     

=

=

Figure 79.

=

== =

=

Figure 80.

=

562. 
     

     ì î ì ()î
     r r r r
     − = + − =

     
     


563. 
     

     ì−ì=M=()MIMIM
     r r r

     
     

     =

     
     


564. M=M

r

=

=

565. ì−î=()uN−uOIvN−vOIwN−wO

r r

I==

=

=

=

6.4 Scaling Vectors

=

566. ï ì

r r

=λ =