Gravitation Question 176

Question: Four particles each of mass M, are located at the vertices of a square with side L. The gravitational potential due to this at the centre of the square is[Kerala PET 2005]

Options:

A) [32GML]

B) [64GML2]

C) Zero

D) [32GML]

Show Answer

Answer:

Correct Answer: A

Solution:

Potential at the centre due to single mass = [GML/2]

Potentialat the centre due to all four masses = [4GML/2]

[42GML] [=32×GML.]



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