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16 October, 18:16

What is the force of gravity between two 3.0 kg masses 1.0 m apart?

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  1. 16 October, 18:34
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    m₁ = mass of the first object = 3.0 kg

    m₂ = mass of the second object = 3.0 kg

    r = distance between the first and second object = 1.0 m

    G = universal gravitational constant = 6.67 x 10⁻¹¹ N m²/kg²

    F = force of gravity between the two objects = ?

    according to law of gravitation, force of attraction "F" between two objects m₁ and m₂, placed distance "r" apart is given as

    F = G m₁ m₂/r²

    inserting the values

    F = (6.67 x 10⁻¹¹) (3.0) (3.0) / (1.0) ²

    F = (6.67 x 10⁻¹¹) (9.0)

    F = 60.03 x 10⁻¹¹ N

    F = 6.003 x 10⁻¹⁰ N
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