Example 10.1 The mass of the earth is
6 x 1024 kg and that of the moon is
7.4 x 102 kg. If the distance between the
earth and the moon is 3.84%105 km,
calculate the force exerted by the earth on
the moon. (Take G= 6.7 x 10" N m² kg?
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2
Answer:
2.017*10^20 N
Step-by-step explanation:
F = GMeMm/R^2
F = 6.7*10^-11*6*10^24*7.4*10^22/(3.84*10^8)^2
F = 297.48*10^(-11+24+22)/(3.84)^2*10^16
F = 20.17*10^19
F = 2.017*10^20 N
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