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A sphere of matter, of mass M and radius a, has a concentric cavity of radius b....

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Physics

A sphere of matter, of mass M and radiusa, has a concentric cavity of radiusb. Find the gravitational force Fexerted by the sphere on a particle of mass m,located a distance rfrom the center of the sphere,as a function of r in the range 0 ? r ? ? .Consider points r = 0; b; a and ? in particular.

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3.7 Ratings (400 Votes)
We can solve this problem by using Newtons shell law whichstates that a uniform shell of matter    See Answer
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