ÇcENTRE OF MASs MOMeNTUM) Page No.:
AND CoLLISION Date:
Cente of mass CM)
The hy bothetica boint fo a body o4
S4steh whee a l masS oF the bod y
o system assumed to be concent t d
Know a5 centHe OF mass
ysten. OR
cente of mass also is thot boin t
nhee Hesutont fo4ce assume to be
Let us consid e a body made of
Smat þatfele ok
mn at the þositfon R
Ra A
Let esultant foce actHo g on the body
p distuibuted among all Oþaatic le s
cM. a
, Page No.:
Dat: | I
+ Fo t + F
Mo m,a, + mat
|M()
d
d 42
|Take doubl e inteqq+fon bo th s ide witt
Heshect to dt20
+
d4 d4
dt 2
MR= m, R,+ mg R' t
þosition veeto H of CM
M Whole body
MXoMm, t ma T9 t +
XcM
M
m t
CM
,
body
ContYnuouS that of ten m
ele
oHdinate
of co bodj Zy, X
continuous element
of mal S m d
M
md CM
M
V) Ye
M
then
con+fnvouS isbody
onlg bodycontinuous dis Fot USed
eq (iv)
e (m), 0), Al1
Me
mn t . t n t m Yem
Da:l )
No.: P
AND CoLLISION Date:
Cente of mass CM)
The hy bothetica boint fo a body o4
S4steh whee a l masS oF the bod y
o system assumed to be concent t d
Know a5 centHe OF mass
ysten. OR
cente of mass also is thot boin t
nhee Hesutont fo4ce assume to be
Let us consid e a body made of
Smat þatfele ok
mn at the þositfon R
Ra A
Let esultant foce actHo g on the body
p distuibuted among all Oþaatic le s
cM. a
, Page No.:
Dat: | I
+ Fo t + F
Mo m,a, + mat
|M()
d
d 42
|Take doubl e inteqq+fon bo th s ide witt
Heshect to dt20
+
d4 d4
dt 2
MR= m, R,+ mg R' t
þosition veeto H of CM
M Whole body
MXoMm, t ma T9 t +
XcM
M
m t
CM
,
body
ContYnuouS that of ten m
ele
oHdinate
of co bodj Zy, X
continuous element
of mal S m d
M
md CM
M
V) Ye
M
then
con+fnvouS isbody
onlg bodycontinuous dis Fot USed
eq (iv)
e (m), 0), Al1
Me
mn t . t n t m Yem
Da:l )
No.: P
