The mass of the Moon is 7.4 × 1022 kg, its radius is 1.74 × 103 km, and it has no atmosphere. What is the acceleration due to gravity at the surface of the Moon? (G = 6.67 × 10-11 N ? m2/kg2 )
A) 0.80 m/s2
B) 9.8 m/s2
C) 4.9 m/s2
D) 1.6 m/s2
E) 2.8 × 106 m/s2
D
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