A uniform ring of mass 
and radius 
is placed directly above a uniform sphere of mass 
and of same radius 
. The centre of the ring is at a distance of 
from the centre of the sphere. The gravitational attraction beween the sphere and the ring is
a)
b)
c)
d)
A uniform ring of mass and radius is placed directly above a uniform sphere of mass and of same radius . The centre of the ring is at a distance of from the centre of the sphere. The gravitational attraction beween the sphere and the ring is
a)
b)
c)
d)
Question ID - 54573 | SaraNextGen Top Answer
A uniform ring of mass and radius is placed directly above a uniform sphere of mass and of same radius . The centre of the ring is at a distance of from the centre of the sphere. The gravitational attraction beween the sphere and the ring is
a)
b)
c)
d)
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A uniform ring of mass |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
From the figure the gravitational intensity due to the ring at a distance 
on its axis is
.png)
Force on sphere 
127 votes
Answer Link
127