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Carbon123

- 55

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## Homework Statement

A mass m1 is hung on a pulley with another pulley on th eother side with two masses;m2 and m3.Find the accelerations of the masses

## Homework Equations

F=M.a

a1=-(a2+a3)/2

## The Attempt at a Solution

So in my book ,the solution provided was 2T-m1g=m1a1

T-m2g=m2a2 and T-m3g =m3a3.My question is why did the two equations for mass 2 and mass 3 seems to have both objects to move upwards,shouldn't one move down and one up ?why is the equation of motion like that ?