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Standard XII

Physics

Law of Conservation of Energy

Two planet of...

Question

Two planet of mass $m$ and $100 m$ . If gravitational force exerted by planet of mass $100 m$ on the planet of mass $m$ is $F_{1}$ and gravitational force exerted by planet of mass $m$ on the planet of mass $100 m$ is $F_{2}$ . Then which of the following is true?

F_{1} = 100 F_{2}

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F_{1} = 10 F_{2}

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F_{1} = F_{2}

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F_{2} = 10 F_{1}

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F_{2} = 100 F_{1}

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Solution

The correct option is C $F_{1} = F_{2}$
The two forces form action-reaction pair. Thus they have same magnitude and equal to $\frac{G (100 m) m}{d^{2}} = F_{1} = F_{2}$

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Two planet of mass m and 100m. If gravitational force exerted by planet of mass 100m on the planet of mass m is F1 and gravitational force exerted by planet of mass m on the planet of mass 100m is F2. Then which of the following is true?

The correct option is C F1=F2The two forces form action-reaction pair. Thus they have same magnitude and equal to G(100m)md2=F1=F2

Two planet of mass $m$ and $100 m$ . If gravitational force exerted by planet of mass $100 m$ on the planet of mass $m$ is $F_{1}$ and gravitational force exerted by planet of mass $m$ on the planet of mass $100 m$ is $F_{2}$ . Then which of the following is true?

The correct option is C $F_{1} = F_{2}$
The two forces form action-reaction pair. Thus they have same magnitude and equal to $\frac{G (100 m) m}{d^{2}} = F_{1} = F_{2}$