mohonn bantaun......................

Dik: gaya ( F ) = F1 + F2 + F3
-5 + (-10) + 30
= 15 N
perpindahan ( S ) = 2 m
Dit: usaha ( W ) ............?
Dij: W = F [ kali ] S
15 [ kali ] 2
= 30 joule.
= C .

maaf kalau salah,,,,,,,,,,,