As a 70-kg person stands at the seashore gazing at the tides (which are caused by the Moon), how large is the gravitational force exerted on that person by the Moon?
The mass of the Moon is 7.35 × 1022 kg, the distance to the Moon is 3.82 × 108 m, and G = 6.67 × 10-11 N ? m2/kg2.
A) 0.24 N
B) 0.024 N
C) 0.0024 N
D) 0.00024 N
C
Physics & Space Science
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