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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationField & ForceHard2 minPYQ_2023

PhysicsHardsingle choice

If two identical spherical bodies of same material and dimensions are kept in contact, the gravitational force between them is proportional to $R^{X}$ , where $x$ is non zero integer [Given : $R$ is radius of each spherical body]

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Answer:

Solution:

$F ∴ F = \frac{G \times m \times m}{( 2 R ) ^{2}} = \frac{G \times ( \frac{4}{3} π R ^{3} ρ ) ^{2}}{4 R ^{2}} = \frac{4}{9} π^{2} ρ^{2} R^{4} \propto R^{4}$

Stream:MHT_CETSubject:PhysicsTopic:GravitationSubtopic:Field & Force

⏱ 2mℹ️ Source: PYQ_2023

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