Question

1.
Two bodies of mass M and 4M are kept at a
distance y apart. Where should a small particle of
mass m be placed from M so that the net
gravitational force on it is zero?

(1)y/5
(2)y/2
(3)y/4
(4)y/3

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Answer 1

Answer:

For gravitational force to be zero on m the gravitational feild at that point should be zero .

Explanation:

Let m be at a dis x from M

GM/x^2= G4M/ (y-x)^2

1/x = 2/ (y-x)

y-x = 2x

x = y/3

Answer 2

Answer:

hope you understand thankyou