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KinematikaAlfian 1 Sipil 1 Pagi
Politeknik Negeri Jakarta 2013
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adalah Ilmu gerak yang membicarakan gerak suatubenda tanpa memandang gaya yang bekerja padabenda tersebut (massa benda diabaikan). Jadi jarakyang ditempuh benda selama geraknya hanyaditentukan oleh kecepatan percepatan
Kinematika
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Kinematika
Gerak Lurus
Gerak LurusHorizontal
Gerak Luruseraturan
Gerak Luruserubah
eraturan
Gerak Lurus!ertikal
(Gra"itas)
Gerak Jatuhebas
Gerak !ertikal#ilemparKeatas
Gerak !ertikal#ilemparKeba$ah
Gerak%elingkar
Gerak%elingkareraturan
Gerak%elingkarerubah
eraturan
Gerak &arabola
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Gerak Lurus
GLB Horizontal( Gerak Luru Beraturan !
" #
'.H()I*(+,'L
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'.H()I*(+,'LGLBB Horizontal (Gerak Luru
Beru$a% Beraturan
- t = # -.t
/
! 01 / !..t 22 a
!3 22 b
# & -.t
/
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'.H()I*(+,'L/
4/ (4 5 ) t4/ 4 .t 5 4
/ .t 5 4
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'.H()I*(+,'L! 01 / !.t 22 a
!3 22 b
t = 22 c
S # (!()
S #
Vt
26V0
2 4
Vt
2 =V0
2 + 4
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'.H()I*(+,'L
S # "' t & )t2
"t # "' & )t
"t2# "'2 & 2 )%
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.!7),IK'LGerak *ilempar "ertikal ke Ba+a%
% # " t & gt2
"t # " & gt
"t2# "2 & 2 g%
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.!7),IK'LGerak Jatu% Be$a
% # gt2
"t # gt
"t2# 2 g%
% # " t & gt 2 ,,,,
"t # " & gt ,,,,
"t2# "2 & 2 g% ,,,,
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.!7),IK'L
Gerak *ilempar "ertikal Keata
% # " t - gt 2
"t # " - gt
"t2# "2- 2 g%
% # " t & gt 2 ,,,,
"t # " & gt ,,,,
"t2# "2 & 2 g% ,,,,
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.erima Kai%