Factors include Earth’s shape, density variations, and local geological structures. Accurate g measurements aid geophysics, navigation, and mineral exploration. Class 11 Physics Gravitation CBSE Exam 2024-25
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Acceleration due to gravity g increases linearly with distance r inside the Earth, peaks at the surface, then decreases inversely with r². Class 11 Physics Gravitation CBSE Exam 2024-25
The Earth’s rotation reduces gravity at a latitude due to centrifugal force, which is maximum at the equator and decreases poleward. Class 11 Physics Gravitation CBSE EXAM 2024-25
Latitude at a place is the angular distance of that location from the Earth’s equator, measured in degrees north or south. Class 11 Physics Gravitation CBSE Exam 2024-25
The Earth’s oblate shape causes gravitational acceleration to be slightly stronger at the poles than at the equator, increasing a body’s weight when moved poleward. Class 11 Physics Gravitation CBSE EXAM 2024-25