1. The problem statement, all variables and given/known data figure attached: Uniform beam with mass M,is placed horizontally,pivoted about it's center on the beam there are two small masses m1 and m2,connected by a spring,the system is in equilibrium,and at t=0 the spring is cut,and m1 and m2 slide on the beam.(their speed is not given),there is friction between the beam and the masses. given: m2>m1 the problem is to find the direction to which the beam will tilt 3. The attempt at a solution I thought that I should look at the speed of the center of mass. motion of m1: V1 = V'1 - m1g*Y*t (v'1 is the speed upon release(I assumed) Y is coefficient of friction) same for m2 so Vcm is: [-V1*m1 + V2*m2] / (M+m1+m2) I cannot get anything out of this. thanks for the help.