Apentix/AP Physics 1/Unit 3: Circular Motion and Gravitation/Question
AP Physics 1hardmcq1 pt

A satellite orbits Earth at a distance of 2R from Earth's center (R = Earth's radius). If the gravitational field at Earth's surface is g, what is the gravitational field at the satellite's position?

A.4g
B.g/4
C.2g
D.g/2

Explanation

Core Concept

Gravitational field follows an inverse square law: g ∝ 1/r². At 2R, the field is g/(2²) = g/4.

Correct Answer

Bg/4

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