21-23. Show that if the angular momentum of a body is determined with respect to an arbitrary point A, then H, can be expressed by Eq. 21–9. This requires substituting PA = PG + PG/A into Eq. 21-6 and expanding, noting that SPg dm = 0 by definition of the mass center and VG VA + co X PG| A- PGJA PG PA

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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21-23. Show that if the angular momentum of a body is
determined with respect to an arbitrary point A, then H,
can be expressed by Eq. 21–9. This requires substituting
PA = PG + PG/A into Eq. 21-6 and expanding, noting
that SPg dm = 0 by definition of the mass center and
VG
VA
+ co X PG| A-
PGJA
PG
PA
Transcribed Image Text:21-23. Show that if the angular momentum of a body is determined with respect to an arbitrary point A, then H, can be expressed by Eq. 21–9. This requires substituting PA = PG + PG/A into Eq. 21-6 and expanding, noting that SPg dm = 0 by definition of the mass center and VG VA + co X PG| A- PGJA PG PA
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