The mass of sun 2 - 1030 kg and mass of earth is 6 - 1024 kg- If the distance between is 1-5 - 108 km- Calculate the force of gravitation between- G -6-7 x -10-11

Given : mass of sun M = 2 × 1030 kg mass of earth m = 6 × 1024 kg Average distance r = 1.5 × 108 km = 1.5 × 108 × 1000 m = 1.5 × 1011m then gravitation force F ...

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Standard IX

Physics

Moon's Revolution around Earth

The mass of s...

Question

The mass of sun 2×10³⁰ kg and mass of earth is 6×10²⁴kg . If the distance between is 1.5 × 10⁸km . Calculate the force of gravitation between. (G = 6.7 × 10^-11)

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Solution

Given :

mass of sun M = 2 × 10³⁰kg

mass of earth m = 6 × 10²⁴ kg

Average distance r = 1.5 × 10⁸ km

= 1.5 × 10⁸ × 1000 m

= 1.5 × 10¹¹m

then gravitation force

F = GMmr2

=6.67×10−11×2×1030×6×1024(1.5×1011)2

= 6.67×2×6×10431.5×1.5×1022

= 80.076×10212.25= 3.57 × 10²² N

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Q. Question 16
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The mass of sun 2×1030 kg and mass of earth is 6×1024 kg . If the distance between is 1.5 × 108 km . Calculate the force of gravitation between. (G = 6.7 × 10-11)

Given : mass of sun M = 2 × 1030 kg mass of earth m = 6 × 1024 kg Average distance r = 1.5 × 108 km = 1.5 × 108 × 1000 m = 1.5 × 1011m then gravitation force F = GMmr2 =6.67×10−11×2×1030×6×1024(1.5×1011)2 = 6.67×2×6×10431.5×1.5×1022 = 80.076×10212.25= 3.57 × 1022 N

The mass of sun 2×10³⁰ kg and mass of earth is 6×10²⁴kg . If the distance between is 1.5 × 10⁸km . Calculate the force of gravitation between. (G = 6.7 × 10^-11)