(Solved): ALSO INCLUDE FBD. roller stationary and not in contact with the belt. The roller is then adjusted ...

roller stationary and not in contact with the belt. The roller is then adjusted to make contact with the conveyor when the belt is moving at a constant $v=5\mathrm{m}/\mathrm{s}$. speed as the conveyor belt. Assume that the roller makes continuous contact from the moment of initial contact, and that the suddent contact doesn't slow down the conveyor. $d=m$