Questions
A tunnel is dug along the diameter of the earth. An object is held in the tunnel at a distance x from the centre of the earth. The magnitude of the gravitational force on the object is proportional to
detailed solution
Correct option is C
Let M and R respectively be the mass and radius of the earth and let m be the mass of the object (Figure) Gravitational force on the object isF=mgd=mg1−dR=m×MGR2×R−d)R=GmMxR3So the correct choice is (c).Talk to our academic expert!
Similar Questions
Assuming the earth to have a constant density, point out which of the following curves show the variation of acceleration due to gravity from the centre of earth to the points far away from the surface of earth
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