Bab 2 Usaha dan Energi
Quiz
•
Science
•
8th Grade
•
Hard
Kyra Zeta
Used 17+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
suatu kegiatan yang menggunakan energi untuk memindahkan suatu benda,dari suatu tempat ke tempat lain merupakan definisi...
Energi
Gaya
Tenaga
Usaha
Perpindahan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Usaha merupakan...
Hasil kali gaya dan perpindahan
Hasil pembagian antara gaya dan perpindahan
Berbanding lurus dengan perpindahan dan berbanding terbalik dengan gaya
Perbandingan antara dorongan dan energi
Hasil kali energi dan gaya
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan usaha adalah...
W=F.E
F=W.s
W=F.t
F=W.t
W=F.s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satuan dari usaha adalah...
Newton
Joule
Sekon
Kilogram
Kg/m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut adalah beberapa contoh usaha dalam kehidupan sehari-hari, kecuali...
Mendorong meja ke depan kelas
Mengayuh sepeda dari rumah ke sekolah
Mendorong tembok
Mendorong gerobak ke jalan
Memindahkan lemari ke luar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika benda ditarik dengan gaya sehingga berpindah tempat dan menghasilkan sudut α, maka persamaan usaha yang tepat adalah...
W= F cos α . v
W= F cos α . a
W= F cos α . s
W= F cos α . t
W= F cos α . g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah balok es bermassa 10 kg dipindahkan dengan cara ditari oleh pak danu. Pak Danu menarik balok es tersebuut dengan gaya sebesar 20 N sehingga berpindah sejauh 8 meter. Jika α = 60 derajat dan gesekan antara balok dengan lantai diabaikan, berapa usaha yang dilakukan pak Danu ?
8 J
10 J
20 J
80 J
200 J
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