Tolong dijwb nom1,2&3 hari ini dikmpul

1.w=200N
s=13m=1300cm
h=5m=500cm
km=s/h
=1300/500
=2,6kali
f=km.w
=2,6 . 200
=520N
2.s/h
=4/300
=300/4
=75
w=km.f
=75.60
=4500N