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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%