Question

what is potential energy of system of 3 particle​

Answer 1

If three particles, each of mass M, are placed at the three corners of an equilateral triangle of side a, the forces exerted by this system on another particle of mass M placed (i) at the mid point of a side and (ii) at the centre of the triangle are respectively.

Answer 2

Answer:

Gravitational potential energy of a pair of particles=−

l

Gm

2

Since,we have three pairs,therefore the total gravitational potential energy is=−

l

3Gm

2

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