ini jawaban nya gmn si? udah pake cara apa aja salah aja kata guru nya, mohon d bantu dong bntr lagi d kumpulin, kalo bisa pake cara nya :(

1) F = mg

F1/A1 = F2/A2
F2 = A2/A1. F1
= 10 cm³/2000 cm³. (1000. 10)
= 50 N

2) A = ¼πd²

F1/A1 = F2/A2
F2 = A2/A1. F1
= (40 cm)²/(10cm)². 200
= (40cm/10cm)². 200
= 16.200
= 3200 N

mg = F
m = F/g
= 3200/10
= 320 kg