15 + 25 - 10 = 30N
Usaha = F.s (gaya × perpindahan)
= 30 N × 2,5 m
= 75 J (E)
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15 + 25 - 10 = 30N
Usaha = F.s (gaya × perpindahan)
= 30 N × 2,5 m
= 75 J (E)