2 kinema tika
DESCRIPTION
kinematikaTRANSCRIPT
![Page 1: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/1.jpg)
KINEMATIKA
![Page 2: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/2.jpg)
PERPINDAHAN
k
jir
kjir
rrr
)(
)()(
0
00
0
zz
yyxx
zyx
Perpindahan
Posisi akhir:
Posisi awal: kjir 0000 zyx
kjir zyx
![Page 3: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/3.jpg)
kji
rrr 0
t
z
t
y
t
xv
tttv
0
Vektor kecepatan rata2
t
lv
waktuselang
lintasan panjang
Laju rata-rata
kjiv
kjir
v
rv
zyx
t
vvvdt
dz
dt
dy
dt
dx
dt
dt
Lim
0
Vektor kecepatan sesaat
KECEPATAN
![Page 4: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/4.jpg)
t
tt
va
vva 0
0
kjia
kjia
vva
zyx
zyx
t
aaadt
dv
dt
dv
dt
dv
dt
d
tLim
0
PERCEPATAN
Vektor percepatan rata-rata
Vektor percepatan sesaat
![Page 5: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/5.jpg)
Animasi
![Page 6: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/6.jpg)
Animasi
![Page 7: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/7.jpg)
Contoh Soal
![Page 8: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/8.jpg)
![Page 9: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/9.jpg)
PERLAMBATAN dan PERCEPATAN NEGATIF
Bila melambat, maka laju sesaat menurun.
Jika mobil diperlambat apakah berarti percepatannya negatif ?
![Page 10: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/10.jpg)
Animasi
![Page 11: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/11.jpg)
Animasi
![Page 12: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/12.jpg)
Animasi
![Page 13: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/13.jpg)
Animasi
![Page 14: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/14.jpg)
Animasi
![Page 15: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/15.jpg)
Contoh Soal
![Page 16: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/16.jpg)
GERAK TRANSLASI 1- DIMENSI
2
2
0
0
0
0
0
:sesaat Percepatan
:rata-rata Percepatan
:sesaatKecepatan
ditempuh yang waktu selang
ditempuh yglintasan panjang:rata-rataLaju
:rata-rataKecepatan
-atau :arah :nPerpindaha
dt
xd
dt
dva
t
v
tt
vva
dt
dxv
t
lv
t
x
tt
xxv
xxx
![Page 17: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/17.jpg)
Gerak KhususGERAK DENGAN PERCEPATAN TETAP (1 D)
tvvx
xxavv
attvxx
dtatvxx
ttavv
adtvv
t
tt
t
t
t
t
t
t
)4
)(2 )3
)( )2
)(
)1
021
020
2
221
00
0
00
00
0
0
Persamaan Kinematika
![Page 18: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/18.jpg)
GERAK JATUH BEBAS
tvvy
yyavv
tatvyy
dttavyy
tavv
dtavv
yy
yyy
yy
t
yy
yy
t
yy
).4
)(2 ).3
)( ).2
).1
021
020
2
221
00
0
00
0
0
0
ja gy
![Page 19: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/19.jpg)
ANALISA GRAFIK
x
t
a
t
v
t
-Kemiringan-Luas-Rata-rata
![Page 20: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/20.jpg)
Gerak KhususGERAK DENGAN PERCEPATAN TETAP (2D)
Arah x
tvvx
xxavv
tatvxx
dttavxx
tavv
dtavv
xx
xx
xx
t
t
xx
xx
t
t
xx
)(2
)(
021
020
2
221
00
00
0
0
0
0
tvvy
yyavv
tatvyy
dttavyy
tavv
dtavv
yy
yyy
yy
t
t
yy
yy
t
t
yy
)(2
)(
021
020
2
221
00
00
0
0
0
0
Arah y
![Page 21: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/21.jpg)
Gerak KhususGERAK PELURU (2 D)
),0(00
0
tetapva
tvxx
vv
xx
x
xx
)(
220
2
221
00
0
tetapga
gyvv
gttvyy
gtvv
y
yy
y
yy
Persamaan Gerak Dalam Arah Horisontal
Persamaan Gerak Dalam Arah Vertikal
![Page 22: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/22.jpg)
vPG = vPT + vTG
vPG: Kecepatan Penumpang relatif thd Tanah
vPT: Kecepatan Penumpang relatif thd Kereta
vTG: Kecepatan Kereta relatif thd Tanah
KECEPATAN RELATIF
![Page 23: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/23.jpg)
GERAK MELINGKAR(UMUM)
Posisi sudut dinyatakan dalam radian (rad)
Vektor perpindahan sudut:
Vektor kecepatan sudut rata2: <t2-t1)
Vektor kecepatan sudut sesaat: ddt
Vektor percepatan sudut rata2: <t2-t1)
Vektor percepatan sudut sesaat: ddt
![Page 24: 2 Kinema Tika](https://reader036.vdocuments.net/reader036/viewer/2022081421/563dbb71550346aa9aad39ae/html5/thumbnails/24.jpg)
RR
a
Ra
Rv
Rs
s2
2
tan
v
Gerak KhususGERAK MELINGKAR BERATURAN
Gerak melingkar dengan laju tetap
R
vas
2
Gerak melingkar dengan percepatan tetap