1. Newton’s Law of Universal Gravitation
2. Dimensional formula of G
3. Gravitational Force
4. Gravitational Field
5. Gravitational Potential
6. Definition
7. Equipotential Surface
8. Relation between Gravitational Intensity and Potential
9. Gravitational Potential due to Spherical Shell of Matter
10. Gravitational Field due to Spherical Shell of Matter
Equipotential Surface
“Equipotential surface is the surface at every point on which the gravitational potential has the same value”.
This means that no work is done in moving a unit mass or any mass along the equipotential
surface, i.e., no component of the gravitational intensity acts along this surface. It follows that the direction of the gravitational field is perpendicular to the equipotential surface at each point on it.
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