3. Consider a block on a tilted plane as shown. The figures after the numbers 1) - 7) represent possible free body diagrams. 3) 4) 5) 6) 7) a) Which free body diagram best represents the forces on the block if it is stationary on the incline? 4 FN SOf assuming block would Vma move DOWN The ramp. b) Which free body diagram best represents the forces on the block if it is moving up the ( it moved in future incline with constant speed? C 2 X FN lma c) Which free body diagram best represents the forces on the block if it is moving down the incline without acceleration? Fn f 4 FN fs