Consider a ring of mass “M” as shown below. What is the gravitat – McqOptions

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1.	Consider a ring of mass “M” as shown below. What is the gravitational potential at a point “p” at a distance of “r” from the centre of the ring?
A.	-(G*M)/(a2+r2) 1/2
B.	-(G*M)/r1/2
C.	-(G*M)/(a2+r2)2
D.	-(G*M)/r2
Answer» B. -(G*M)/r1/2

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