DINAMIKA ROTASI DAN KESETIMBANGAN BENDA TEGAR
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Medium
Emi Gustina
Used 100+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Penyebab dari gerak rotasi adalah …..
Momen Inersia
Momentum anguler
Momen Gaya
Momen Linier
Gaya
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Benda tegar dikatakan setimbang bila...
∑Fx = 0, ∑Fy = 0 ,∑Fz = 0
∑Fx = 0, ∑Fy = 0 ,∑Fz = 0 ∑ Ƭ = 0
∑Fx = 0, ∑Fy = 0 ,∑Fz > 0 ∑ Ƭ = 0
∑Fx = 0, ∑Fy = 0 ,∑Fz > 0
∑Fx = 0, ∑Fy = 0 ,∑Ƭ =0
3.
MULTIPLE CHOICE QUESTION
3 mins • 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
4.
MULTIPLE CHOICE QUESTION
3 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
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah balok bermassa 25 kg digantungkan pada dua tali yang masing-masing membentuk sudut 37° dan 53°. Jika sistem setimbang, hitunglah gaya tegangan tali T1 dan T2!
150 N dan 200 N
200 N dan 150 N
125 N dan 250 N
250 N dan 125 N
100 N dan 200 N
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Silinder pejal dengan jari-jari 5 cm bermassa 0,25 kg bertranslasi dengan kelajuan linear 4 m/s. Tentukan energi kinetik silinder jika selain bertranslasi silinder juga berotasi!
3 J
4 J
10 J
12 J
16 J
7.
MULTIPLE CHOICE QUESTION
3 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
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