223k views
4 votes
If a book has a weight of 23.3 N on earth, what is its mass

User Amsiddh
by
5.5k points

1 Answer

4 votes

Answer:

2.38 kg

Step-by-step explanation:

by definition, weight in physics is the force of gravity (Fg)

Fg = mass x gravity or mg

gravity is 9.8 m/s^2

N = kg m/s^2

Fg = mg

23.3 kg m/s^2 = 9.8 m/s^2 x m

23.3 kg m/s^2 / 9.8 m/s^2 = m >>> m/s^2 cancel out

23.3/9.8 = 2.37755 kg

m = 2.38 kg

User Sebastien Diot
by
5.3k points