Suppose law of gravitational attraction suddenly changes and becomes an inverse cube law i.e. F prop

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7.Gravitation

easy

Suppose the law of gravitational attraction suddenly changes and becomes an inverse cube law i.e. $F \propto {1\over r^3}$, but still remaining a central force. Then

Keplers law of areas still holds

Keplers law of period still holds

Keplers law of areas and period still hold

Neither the law of areas, nor the law of period still holds

Solution

Kepler's second law states that a planet moves in its ellipse so that the line between it and the Sun placed at a focus sweeps out equal areas in equal times.

Standard 11

Physics

A satellite moves in a circle around the earth. The radius of this circle is equal to one half of the radius of the moon’s orbit. The satellite completes one revolution in

medium

An earth satellite $S$ has an orbit radius which is $4$ times that of a communication satellite $C$. The period of revolution of $S$ is …….. $days$

medium

Draw areal velocity versus time graph for mars.

easy

What does not change in the field of central force

easy

The distance of neptune and saturn from sun are nearly ${10^{13}}$ and ${10^{12}}$ meters respectively. Assuming that they move in circular orbits, their periodic times will be in the ratio

medium

(AIPMT-1994)

Suppose the law of gravitational attraction suddenly changes and becomes an inverse cube law i.e. $F \propto {1\over r^3}$, but still remaining a central force. Then

Solution

Similar Questions

A satellite moves in a circle around the earth. The radius of this circle is equal to one half of the radius of the moon’s orbit. The satellite completes one revolution in

An earth satellite $S$ has an orbit radius which is $4$ times that of a communication satellite $C$. The period of revolution of $S$ is …….. $days$

Draw areal velocity versus time graph for mars.

What does not change in the field of central force

The distance of neptune and saturn from sun are nearly ${10^{13}}$ and ${10^{12}}$ meters respectively. Assuming that they move in circular orbits, their periodic times will be in the ratio

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