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Physics-Gravitational Potential Energy

NEET Physics Gravitational Potential Energy MCQ Question

Type: MCQ-numerical-Easy-Class 11

What is the total mechanical energy of a mass m moving in a circular orbit of radius a around a much larger mass M?

A

-G * M * m / (2 * a)

B

G * M * m / (2 * a)

C

-G * M * m / a

D

G * M * m / a

Correct Answer

Option A

Detailed Explanation

The total mechanical energy for a mass m in a circular orbit around a much larger mass M is given by E = -G * M * m / (2 * a), as per the formula for potential and kinetic energies in such systems.

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