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gambar 1:
s = √150²+80²
= 170 cm = 1,7 m
W = F.s
= 2.10.1,7
= 34 J
gambar 3:
s = √80²+80²
= 113,14 = 1,13 m
W = F.s
= 2,5.10.1,13
= 28,28 J
gambar 2:
s = √125²+150²
= 1,95 m
W = F.s
= 2.10.1,95
= 39,05 J
Gambar 4
s = √80²+100²
= 1,28 m
W = F.s
= 2,5.10.1,28
= 32 J
Tidak ada jawaban, tapi yang mendekati adalah 1 dan 4