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PhysicsGravitationField & ForceHard2 minPYQ_2024
PhysicsHardsingle choice

Four identical particles of massmare kept at the four corners of a square. If the gravitational force exerted on one of the masses by the other masses is22+132Gm2L2, the length of the sides of the square is

Question diagram: Four identical particles of mass m are kept at the four corn

Options:

Answer:
B
Solution:

Resultant force, Fnet=2F+F', where

F=Gm2a2 and F'=Gm22a2

Therefore, Fnet=2Gm2a2+Gm22a2

Comparing with the expression given in the question, we get

22+132Gm2L2=Gm2a222+12

a=4L

Stream:JEESubject:PhysicsTopic:GravitationSubtopic:Field & Force
2mℹ️ Source: PYQ_2024

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