The mass of the moon is 7.3 x 10²2 kg and its radius is 1785 km. What is the force of the gravitational field on the surface of the moon for a 1.0 kg mass? (Careful of your units)
a) 1.63 m/s²
b) 1.63 N/kg
c) 1.63 N
d) 1.63 m/s