Sebuah mesin berputar 180 putaran per menit. Periode mesin tersebut adalah …
Gerak Melingkar

Interactive Video
•
Physics
•
11th Grade
•
Medium
PRARAMADINI SARI
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
1/2
1/3
1/4
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Banyaknya putaran tiap satuan waktu disebut
Periode
Frekuensi
kecepatan sudut
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Jika sebuah roda memiliki putaran 120 rpm, maka besar kecepatan sudutnya adalah
2 π rad/s
4 π rad/s
2 π rad/s
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Sebuah benda tegar berputar dengan kecepatan sudut 20 rad/s. Kecepatan linear suatu titik pada benda berjarak 1 m dari sumbu putar adalah …
40
30
20
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Percepatan sentripetal adalah....
percepatan yang arahnya selalu menuju ke pusat lingkaran
percepatan yang arahnya selalu menjauhi pusat lingkaran
percepatan yang terjadi pada gerak parabola
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Sebuah mobil mengitari lintasan melingkar mendatar dengan jari-jari 20 m dan kelajuan tetap 10 m/s. Percepatan mobil adalah …
5 m/s2 menjauhi pusat
5 m/s2 menuju pusat
5 m/s2 Berada dipusat
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Sebuah benda bermasaan 100 gram di ikat dengan tali ringan kemudian diputar secara horizontal dengan kecepatan sudut tetap 10 rad/s. Jika panjang tali l = 50 cm, maka besar gaya sentripetal yang bekerja pada benda adalah …
1 N
3 N
5 N
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