TORSI dan KESEIMBANGAN BENDA TEGAR
Quiz
•
Physics
•
11th Grade
•
Medium
Haeroni 73
Used 106+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Batang AB massanya dapat diabaikan. Jika FR adalah resultan ketiga gaya F1, F2 dan F3, maka besar gaya F2 dan jarak x adalah …
A. 50 N ke bawah dan 0,5 m di kiri A
B. 50 N ke atas dan 0,5 m di kanan A
C. 50 N ke atas dan 0,75 m di kiri A
D. 50 N ke bawah dan 0,75 m di kanan A
E. 50 N ke atas dan 0,2 m di kanan A
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
seorang anak memberikan gaya di ujung pintu sebesar 45 N, lebar pintu 84 cm. Berapakah besarnya torsi jika gaya yang diberikan pada sudut 600 ke depan pintu?
32,7
34
37,8
38
39
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
suatu gaya F dikerjakan pada suatu batang homogen horisontal seperti gambar di bawah ini!
pernyataan yang benar untuk momen pada batang terhadap titik poros P karena gaya ini adalah....
F (sin ) d
F (sin ) d/ L
F d/L
F (cos ) d
F (cos ) d/L
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Susunan 3 buah massa titik seperti gambar di atas.
Jika m1 = 1 kg, m2 = 2 kg dan m3 = 3 kg, berapakah momen inersia sistem tersebut jika diputar menurut poros Q.
14 kgm2
10 kgm2
8 kgm2
6 kgm2
4 kgm2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada gambar di atas terdapat empat buah partikel yang dihubungkan oleh sebuah batang yang massanya diabaikan. Partikel-partikel tersebut memiliki berat yang berbeda dengan jarak antar partikel satu sama lain sebesar R. Berapakah besar momen inersia sistem partikel jika sistem diputar terhadap poros A ?
20 mR2
30 mR2
40 mR2
50 mR2
60 mR2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Gaya F1, F2, F3, dan F4 bekerja pada batang ABCD seperti gambar berikut!
Jika massa batang diabaikan, maka nilai momen gaya terhadap titik A adalah ...
A. 15 N.m
B. 18 N.m
C. 35 N.m
D. 53 N.m
E. 68 N.m
15 N.m
18 N.m
35 N.m
53 N.m
68 N.m
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah batang yang diabaikan massanya dipengaruhi tiga buah gaya Besar FA = FC = 10 N dan FB = 20 N seperti gambar. Jika jarak AB = BC = 20 cm, maka besar momen gaya terhadap titik C adalah...
A. 0 Nm
B. 1 Nm
C. 4 Nm
D. 6 Nm
E. 8 Nm
0 Nm
1 Nm
4 Nm
6 Nm
8 Nm
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