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Authored by alifia suci
Physics
9th - 12th Grade

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30 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Jika E, v dan x masing-masing menyatakan Energi, Kecepatan dan Jarak maka dari persamaan : E = A2 + B2, dan K = AB maka k mempunyai dimensi ….
M2L2
M2T-2
M2L2T-2
ML-2T-2
2.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Perhatikan gambar berikut :
Massa balok A dan B masing-masing 6 kg dan 2 kg, Percepatan gravitasi 10 m/s2. Percepatan benda dan tegangan tali T adalah ….
2,5 m/s2 dan 15 N
1 m/s2 dan 7 N
5 m/s2 dan 10 N
2,5 m/s2 dan 20 N
3.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Tiga buah roda dihubungkan seperti pada gambar. B dan C menyatu dan sepusat, A dan B dihubungkan dengan ban. Jika jari-jari A=4 cm, jari-jari B=2 cm, dan jari-jari C = 10 cm, dan roda A diputar dengan kecepatan 6 putaran/sekon, maka roda C akan berputar dengan …. (Putaran per sekon)
3
6
9
12
4.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Balok A (massa = 1 kg) dan B (massa = 2kg) disusun seperti pada gambar. g =10 m/s-2). Bila koefisien gesekan lanai = 2 kali koefisien gesekan balok B, balok sesaat balok A bergerak dengan kecepatan tertentu. Maka perbandingan gaya gesekan antara balok Adan lantai dengan balok A dan B adalah ….
1:2
1:3
3:1
5:3
5.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Suatu system terdiri atas tiga pertikel bermassa m1,m2,m3 masing-masing 100 gr, 100 gr, dan 300 gr tersusun seperti pada gambar. jarak m1 dan m2 = 40 cm dan m2 dan m3 = 30 cm. momen inersia sistem jika diputar terhadap sumbu y sebesar ….
6,4 x 10-2 kgm2
4,3 x 10-2 kgm2
2,7 x 10-2 kgm2
1,6 x 10-2 kgm2
6.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Sebuah silinder pejal bertranslasi dan berotasi dengan kecepatan linier dan kecepatan sudut masing-masing v dan w. Energi kinetik total silinder pejal tersebut adalah ….
10/9 mv2
7/2 mv2
3/4 mv2
1/2 mv2
7.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
60 J
65,3 J
294 J
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