The earth (mass $M = 6 \times 10^{24} \ kg$) revolves around the sun with an angular velocity $\omega = 2 \times 10^{-7} \ rad/s$ in a circular orbit of radius $R = 1.5 \times 10^8 \ km$. The force exerted by the sun on the earth in newtons is:

  • A
    $18 \times 10^{25}$
  • B
    Zero
  • C
    $27 \times 10^{39}$
  • D
    $36 \times 10^{21}$

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