Question

If a boy's mass is 45 kg. Then, his weight is = ?​

Answer 1

Answer:

Explanation:

45 x 9.8 = 441

Answer 2

Answer:

we know that

w=m×a, but here

w=m×g

g=accelaration due to gravity

its value is 9.8 m/s or 10 m/s(apprx)

w=45×10

w=450 kg