Question

[Nguyễn Hoa]

treo vat ngoai ko khi bang luc ke theo phuong thang dung so chi luc ke la 15N.khoi luong cua vat la

Answer 1

[Phạm Thị Thùy Trang]

1kg = 10N hay 10N = 1kg

        Vậy 15N = 15 : 10 = 1,5kg

Answer 2

[sơn]

Ap dung cong thuc :

10N=1kg

ta co:

15N=15:10=1,5(kg)\

h cho minh nha