UH Dinamika Rotasi dan Kesetimbangan Benda Tegar
Quiz
•
Physics
•
11th Grade
•
Hard
rofiatu amalia
Used 14+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Penyebab dari gerak rotasi adalah …..
Momen Inersia
Momentum anguler
Momen Gaya
Momen Linier
Gaya
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Syarat kesetimbangan benda tegar adalah..
Resultan gaya dan Resultan torsi harus nol
Resultan gaya sama dengan nol
Resultan gaya dan Resultan torsi harus tidak sama dengan nol
Resultan torsi sama dengan nol
Resultan gaya tidak harus nol dan resultan torsi nol
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Gambar berikut adalah sebuah batang yang ditarik dengan gaya. Momen gaya terhadap titik O adalah . . . .
75 N
50 N
100 √3 N
100 N
250 √3 N
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebuah partikel bermassa 0,2 kg bergerak melingkar dengan kecepatan sudut tetap 15 rad/s. Jika jari-jari lintasan partikel 300 cm, maka momentum sudut partikel itu adalah....
0,9 kg m2 s−1
4,5 kg m2 s−1
2,7 kg m2 s−1
13,5 kg m2 s−1
1,6 kg m2 s−1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tentukan koordinat titik berat potongan karton homogen pada gambar berikut!
(1,5 ; 1,5)
(1,6 ; 1,6)
(1,7 ; 1,7)
(1,8 ; 1,8)
(1,9 ;1,9)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berikut ini contoh aplikasi torsi dalam kehidupan sehari-hari, kecuali...
Kincir yang berputar karena tertiup angin
Membuka baut dengan kunci inggris
Knop pintu ketika dibuka
Mendorong mobil yang mogok
mendongkrak mobil yang mogok
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dua buah bola masing – masing massanya m1= 2 Kg dan m2= 3 Kg di hubungkan dengan batang ringan tak bermassa seperti pada gambar dibawah ini! Jika sistem bola diputar pada sumbu dititik a maka besar momen inersia sistem bola adalah ..
0,24 Kg m2
0,27 Kg m2
0,30 Kg m2
0,31 Kg m2
0,35 Kg m2
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