
usaha energi dan ps
Quiz
•
Science, Physics, Biology
•
8th Grade
•
Practice Problem
•
Hard
Iis Avri
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dua orang mendorong mobil yang mogok. Orang pertama mendorong dengan gaya F1 = 40 N dan orang kedua dengan gaya F2 = 50 N sehingga mobil tersebut dapat bergerak sejauh 10 meter. Usaha yang dilakukan oleh kedua orang itu sebesar ....
10 Joule
90 Joule
500 Joule
900 Joule
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Diketahui sebuah lemari bermassa 2 kg dinaikkan ke lantai 8 sebuah gedung apartemen dengan ketinggian 5 meter. Hitunglah energi potensial pada peristiwa tersebut! (g = 10 m/s2)
100 Joule
50 Joule
10 Joule
5 Joule
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Sebuah mobil dengan massa 10kg melaju dengan kecepatan 2 m/s, berapa energi kinetiknya....
20 Joule
200 Joule
2 Joule
0 Joule
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika gesekan tali dan katrol diabaikan, gaya kuasa untuk mengangkat benda adalah ….
50 N
150 N
100 N
200 N
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Di jalan yang menurun, sepeda meluncur cepat meskipun tidak dikayuh. hal ini disebabkan...
Perubahan energi kinetik menjadi energi kalor
Perubahan energi kinetik menjadi energi kinetik
Perubahan energi potensial menjadi energi kinetik
Perubahan energi kinetik menjadi energi potensial
Perubahan energi potensial menjadi energi kalor
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar !
Berapakah kuasa yang dapat diberikan utk mengangkat beban?
100 N
150 N
200 N
250 N
7.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Buah kelapa yang massanya 1 kg berada pada ketinggian 12 meter dari Tanah. berapakah energy potensial yang dimiliki buah kelapa tersebut terhadap Tanah?
1,2 joule
0,12 joule
120 joule
12 joule
1200 joule
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