
usaha dan energi
Presentation
•
Physics
•
1st Grade
•
Easy
Reski Ainunnisa
Used 6+ times
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8 Slides • 1 Question
1
By Reski Ainunnisa
2
Some text here about the topic of discussion.
3
Energi yang disalurkan oleh gaya pada sebuah benda sehingga benda tersebut mengalami perpindahan.
Some text here about the topic of discussion.
Pengertian Usaha
4
W = F . s
Dimana:
W = Usaha (Joule)
F = Gaya (Newton)
s = Perpindahan
Some text here about the topic of discussion
W = F . s cos θ
Dimana:
W = Usaha (Joule)
F = Gaya (Newton)
s = Perpindahan
θ = Besar sudut
5
Multiple Choice
Manakah bentuk persamaan usaha yang tepat?
W= s.F
W = F.s
W= F/s
W = s/F
6
W = F . s
W = 250 N . 100 m
W = 25000 Joule
Penyelesaian:
F = 250 N
s = 100 m
Ditanyakan:
W..........?
Diketahui:
Some text here about the topic of discussion
7
Konsep Usaha Berdasarkan arah pergerakannya
Terdapat 3 konsep usaha berdasarkan arah geraknya
Usaha bernilai positif
Usaha bernilai negatif
Usaha sama dengan nol
Some text here about the topic of discussion
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Energi merupakan kemampuan untuk melakukan usaha.
Some text here about the topic of discussion.
Energi
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energi yang dimiiki benda pada ketinggian tertentu.
Ep = mgh
Energi Potensial
energi yang dimiiki pada saat benda bergerak.
Ek = 1/2 mv2
Energi Kinetik
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By Reski Ainunnisa
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