An inclined plane is made out of a short plank of wood. it is used to move a 300n box up onto a tabletop 1m above the floor. what would happen to the work and mechanical advantage if a longer plank were used to accomplish the same task? a) the work and mechanical advantage would increase. b) the work would decrease and mechanical advantage would increase. c) the work would remain the same and mechanical advantage would increase. d) the work would remain the same and mechanical advantage would decrease.