Physical Chemistry Third Edition

1242 B Some Useful Mathematics

z

kAz

kAz

jAy

0

A 5 iAx 1 jAy 1 kAz

iAx 1 jAy

x

iAx

jy

y

Figure B.5 The Vector A Represented by the Sum of Three Components.

0

y

x

A

A

1 B

5

B

1

A

A

B

B

Figure B.6 The Sum of Two Vectors.