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31 August, 13:49

Two objects exert a gravitational force of 3 N on one another when they are 10 m apart. What would that force be if the distance between the two objects were reduced to 5 m?

A. 1.5 N

B. 6 N

C. 12 N

D. 24 N

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Answers (1)
  1. 31 August, 14:35
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    Gravitational force = G (m1 m2) / r²

    3 = G (m1 m2) / (10) ²x = G (m1 m2) / (5) ²We shall divide those two equations:3 / x = 1/100 / 1/25 = 25 / 100 = 1 / 4x · 1 = 3 · 4x = 12Answer:C. 12 N
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