The force on a particle of mass m, kept at the centre of a ring of mass M and radius R is

G M m / R^{2}

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G M m / 4 R^{2}

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Zero

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2 G M m / R^{2}

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Solution

The correct option is C Zero
The gravitational force acting due to every element on the ring, tries to pull the particle towards it. Thus the algebraic sum of all the forces will be zero,
The option (c) is the correct option

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The force on a particle of mass m, kept at the centre of a ring of mass M and radius R is

The correct option is C ZeroThe gravitational force acting due to every element on the ring, tries to pull the particle towards it. Thus the algebraic sum of all the forces will be zero,The option (c) is the correct option

The correct option is C Zero
The gravitational force acting due to every element on the ring, tries to pull the particle towards it. Thus the algebraic sum of all the forces will be zero,
The option (c) is the correct option