Massasi 1200 kg bo’lgan betonni 18 m balandlikka ko’tarish uchun kran qancha ish bajarishi kerak bo’ladi ?

Savol

Massasi 1200 kg bo’lgan betonni 18 m balandlikka ko’tarish uchun kran qancha ish bajarishi kerak bo’ladi ?

g = 10 m/ ga teng.

Berilgan : Formulasi :

g = 10 m/
H = 18 m
m = 1200 kg A =mgh

Power Point

Excl
A = ?