

ppt belajar usaha energi
Presentation
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Science
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8th Grade
•
Practice Problem
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Medium
Arini Pertiwi
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4 Slides • 3 Questions
1
USAHA DAN ENERGI
ARINI PERTIWI, S.Pd.,Gr.
NIP. 199407132019022001
2
3
W = Usaha (Joule)
F = Gaya (Newton)
s = Perpindahan (Meter)
B. Rumus Menghitung Besar Usaha
esarnya energi yang diberikan untuk memindahkan sebuah benda atau objek.
A. Pengertian
USAHA
W= F.s
4
Energi adalah kemampuan untuk melakukan usaha. Ada berbagai bentuk energi, termasuk energi kinetik, energi potensial, energi termal, energi kimia, dan lain-lain.
ENERGI
Energi Kinetik (Energi Gerak)
Energi Potensial
5
Multiple Choice
Apa yang dimaksud dengan usaha dalam sains?
Menggerakkan benda dengan kekuatan penuh
Upaya memindahkan benda ke jarak tertentu
Memindahkan benda tanpa batasan
Menggunakan listrik untuk memindahkan benda
6
Multiple Choice
Usaha dapat dihitung dengan rumus W= F⋅s.
Apa arti dari simbol F?
Kecepatan
Waktu
Gaya
Energi
7
Multiple Choice
Jika seseorang mendorong gerobak sejauh 10 m dengan gaya 50 Newton, berapa besar usahanya?
500 Joule
250 Joule
100Joule
50Joule
USAHA DAN ENERGI
ARINI PERTIWI, S.Pd.,Gr.
NIP. 199407132019022001
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