Question

Cate kg ( m=? ) are un corp cu greutatea 490 N

Answer 1

Se da:
G=490N
g=9,81N/kg~10N/kg
------------------------
Sa se afle:
m-?

Rezolvare:
$G=m*g ~~-\ \textgreater \ ~~m= \frac{G}{g}$
Calcule:
$m= \frac{490N}{10N/kg} =49~kg$
Raspuns: m=49kg.