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  • Universal law of Gravitation:
  • Gravitational force of attraction between two masses is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
  • F ∝ M × m              M and m are masses of two bodies.
  • F1r2F=GMmr2

             G = 6.673 × 10–11 Nm2 kg–2

    • Inverse square law
    • Weight is the gravitational force on an object.
    • The weightlessness in outer space happens because the weight of the orbiting body is used to provide the centripet…

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