16.20: A uniform 10.0 m long plank is pivoted about its center of gravit
nit2fxnzty,( 0l+n f3uqhab ,e zb92.y. A mass M1 then is placed at the left edge of the plank and a second mass M2 is placed 1.0 m from the right end. This system is in static equilibrium (shown). If each mass now is moved 2.0 m closer to the center of the plank, which one of the followi
nz9n,z xnfqe22(aiyhbfl3, b0t + tu.ng choices best describes the subsequent motion of the plank?