Graphic 91, a block. The steps in U and V are cleared before it moves, so whatever pushed it this turn has no effect, and it only falls. It is also, with the player, one of the two things that set bit 7 of +17 on what they land on (MARK_STOOD_ON), so it can crumble a crumbling block or start a lift.

Graphic 73, the table, enters at SLIDING_TABLE: its template makes it pushable, and it keeps the step a push gave it, falls, and stops.