
Usaha dan Pesawat sederhana
Presentation
•
Science
•
8th Grade
•
Hard
Standards-aligned
HASNI HARIS
FREE Resource
11 Slides • 2 Questions
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Usaha dan Pesawat sederhana
by HASNI HARIS
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Pengertian Usaha
Usaha menurut fisika adalah gaya yang dilakukan untuk memindahkannya benda sejauh perpindahannya. Usaha dilakukan sebanding dengan besaran gaya dan perpindahan
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Besaran Usaha
Berdasarkan pengertian, Usaha dipengaruhi :
1. Gaya (F)
2. Perpindahan (s)
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Perhatikan gambar di samping!
Apakah orang tersebut melakukan usaha ?
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Multiple Choice
1.Pernyataan berikut yang paling tapat mengenai usaha adalah
Usaha dapat mengubah bentuk benda
Gaya dan usaha saling mempengaruhi
Gaya dan usaha tidak mempengaruhi perpindahan
Usaha dan perpindahan berbanding terbalik
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Multiple Choice
Seorang pekerja bangunan melemparkan batu bata 0,3 kg ke kedua temannya yang ada diatap gedung. Jika ketinggian teman pertama 3 m dan teman kedua 6 m, perbandingan usaha yang dilakukan pekerja sebesar …. (g = 10m/s2)
1 : 2
1 : 3
2 : 3
3 : 2
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Usaha dan Pesawat sederhana
by HASNI HARIS
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