A new planet is discovered having half the radius of earth but same mass that of earth. Find the gravitational force on body of mass m at the surface of the planet if gravitational force due to earth on its surface is $F_{G}$ .

2 F_{G}

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3 F_{G}

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4 F_{G}

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F_{G}

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Solution

The correct option is C $4 F_{G}$
.

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A new planet is discovered having half the radius of earth but same mass that of earth. Find the gravitational force on body of mass m at the surface of the planet if gravitational force due to earth on its surface is FG.

The correct option is C 4FG.

A new planet is discovered having half the radius of earth but same mass that of earth. Find the gravitational force on body of mass m at the surface of the planet if gravitational force due to earth on its surface is $F_{G}$ .

The correct option is C $4 F_{G}$
.