Respuesta :

Answer:

Mass of box = 7 kg

Explanation:

Force = 70 N

Acceleration = 10 m/s²

Force is product of mass and acceleration.

[tex] \longrightarrow [/tex] Force = Mass × Acceleration

[tex] \longrightarrow [/tex] 70 = Mass × 10

[tex] \longrightarrow [/tex] Mass = [tex] \sf \dfrac{70}{10} [/tex]

[tex] \longrightarrow [/tex] Mass = 7 kg