
UH Kesetimbangan benda tegar A

Quiz
•
Physics
•
Professional Development
•
Hard
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bola A bermassa = 60 gram dan bola B = 40 gram dihubungkan batang AB (massanya diabaikan). Jika kedua bola diputar dengan sumbu putar di P maka momen inersia sistem adalah…. kg m2
12,50 x 10-4
14,0 x 10-4
14,50 x 10-4
15,0 x 10-4
15,50 x 10-4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Batang AC = 4 meter dengan poros titik A dengan gaya F1 sebesar 20 N dan F2 sebesar 12 N. Sudut-sudut ditunjukkan gambar. Jika titik B berada di tengah batang AC, tentukan besar momen gaya yang terjadi pada batang AC, dalam kasus ini massa batang diminta untuk diabaikan.
28 Nm
28√3 Nm
52 Nm
56
56√3 Nm
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1. Beban seperti pada gambar. Mempunyai massa 5 kg. ( g = 10 m/s2).sudut a = 370 dan sudut b = 530. Beban digantung pada susunan tali dalam keadaan seimbang. Besar tegangan tali T2 adalah … N.
20
30
40
50
60
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada sistem kesetimbangan benda tegar seperti tampak pada gambar. Batang homogen AB panjang 80 cm beratnya 18 N dan berat beban 30 N, dan BC adalah tali.Titik C terletak di atas titik A. Jika jarak AC = 60 cm, tegangan pada tali adalah … N.
50
55
60
65
70
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bola pejal dengan massa 2,5 kg menggelinding di atas lantai mendatar dengan percepatan 4 m/s2. Jika gaya yang bekerja melalui pusat bola dan jari-jari bola 20 cm. maka besar gaya yang bekerja …. N. ( I= 2/5 mR2).
8
10
12
14
15
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Batang AB massa 4 kg diputar melalui titik A ternyata momen inersianya 12 kg.m2. Bila diputar melalui titik pusat O(AO = OB), momen inersianya menjadi ... kg m2
10
8
6
4
3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dimana letak titik berat dari bangun seperti pada gambar!
Dengan a = 2 cm, b = 4 cm, c = 3 cm, d = 3 cm, e = 2 cm, f = 2 cm dan g = 4 cm
X = 6 cm ; y = 4 cm
X = 4 cm ; y = 6 cm
X = 4,3 cm ; y = 4 cm
X = 4 cm ; y = 4,3 cm
X = 3 cm ; y = 3 cm
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diagram melukiskan benda bidang homogen dengan ukuran seperti gambar! Koordinat titik berat benda gabungan adalah…
(3 ; 2,7)
(3 ; 3,6)
(3 ; 4,0)
(3 ; 4,5)
(3 ; 5,0)
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