A 1.0 kg mass weighs 9.8 N on Earth. What does the same mass weigh on the Moon?

1. Weight is the mass multiplied by the local acceleration due to gravity. 2. On the Moon that acceleration is only 1.67 m/s^2. 3. Substitute the values: (1.0 kg)(1.67 m/s^2) gives about 1.7 N. 4. The mass itself has not changed, only the gravitational pull acting on it. 5. The weight is not zero, since the Moon does exert a gravitational force. _Source: OpenStax College Physics (CC BY 4.0), Ch 4 "Dynamics: Force and Newton's Laws of Motion", section 4.3 Newton's Second Law of Motion: Concept of a System_