Sebuah mobil didorong oleh dua laki-laki dengan F1 = 4500 N ke kanan dan F2 = 5000 N ke kiri. Mobil ternyata berpindah sejauh 120 cm ke kiri. Usaha yang dilakukan dua laki-laki tersebut adalah...
IPA - Usaha

Quiz
•
Science
•
8th Grade
•
Hard
Devi Amalia
Used 167+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
250 J
300 J
450 J
600 J
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah meja didorong oleh 2 orang dengan arah yang sama. Masing-masing orang tersebut menggunakan gaya sebesar 350 N, sehingga membuat meja bergeser sejauh 2 meter. Usaha kedua orang tersebut adalah...
1000 J
1200 J
1400 J
1500 J
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Angga mengendarai sepeda yang memiliki massa 8 kg dengan kecepatan 50 m/s selama 2 detik. Usaha yang dilakukan Angga dalam mengendarai sepeda sebesar 1000 J. Perpindahan yang dilakukan Angga adalah...
5 meter
10 meter
15 meter
20 meter
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Barra is lifting a bag with mass 5 kg from the floor to a table that heigh 250 cm. If gravity = 20 m/s2, then the work done by Barra is...
200 J
250 J
300 J
350 J
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rio and Bima push each other's table. Rio uses a force 70 N to the right and Bima with a force 90 N to the left. Apparently, the table moves as far as 2 m. Their common work is...
40 J to Bima
40 J to Rio
240 J to Bima
240 J to Rio
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kompor listrik mempunyai daya sebesar 250 watt dinyalakan selama 10 menit. Usaha yang dibutuhkan untuk mengubah energi listrik menjadi energi panas adalah...
15000 J
150000 J
25000 J
250000 J
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A boy named Nuha, whose weight is 500 N, is climbing up a tree 12 m tall, in a period of 10 minutes. Nuha's power is...
10 watt
15 watt
20 watt
25 watt
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