The quantity called the "enclosed mass" M(

Name: The quantity called the "enclosed mass" M(<r) represents ALL of the mass inside radius r. If the enclosed mass M(<r) is constant with increasing radius, where is the mass?
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Question

The quantity called the "enclosed mass" M(<r) represents ALL of the mass inside radius r. If the enclosed mass M(<r) is constant with increasing radius, where is the mass?

Quizplus · Accepted Answer

If the enclosed mass M(<r) is constant with increasing radius, it means that all mass is located within the radius r. Therefore, the mass must be concentrated in the center. This is a characteristic of objects such as stars, where the mass is concentrated in the core.

The Quantity Called the "Enclosed Mass" M(<r) Represents ALL of the Mass