Respuesta :

Weight = (mass) x (gravity)

Acceleration of gravity on Earth = 9.8 m/s²

Weight on Earth = (mass) x (9.8 m/s²)

Divide each side by (9.8 m/s²): Mass = (weight) / (9.8 m/s²)

Mass = (650 N) / (9.8 m/s² Mass = 66.33 kg (rounded)