anant sir 3

give the hint.

1 Answers

This one is not very tough..

Hint: a1+a2+... an = 0

a's are taken in the same direction...

Now we use mig-2T=miai

dividing by mi and adding over
adding over all masses,

Ng-2T(1/m1+1/m2....+1/mN)=0

Thus you get the value of T

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