Respuesta :

prabhbuttar2015

Explanation:

we know,

F = mg

where m is mass of object and g = acc. due to gravity (9.8 ) m/ s^2

147 = m x 9.8

147/ 9.8 = m

15 = m

therefore mass of object = 15 kg
F=m•a

m=F/a

free-falling object is an object that is falling under the sole influence of gravity. A free-falling object has an acceleration of 9.8 m/s/s. Object is falling downward.

m= -147N/-9.8 m/s ^2
m=15kg