【单选题】这一组例子体现出兰盖克“意象”概念的哪一个? The clock is on the table. The clock is lying on the table。 The clock is resting on the table. The table is supporting the clock.
【单选题】A 2.0-m rope is lying on a table. You pick up one end and start raising it vertically. How high above the table is the center of mass (or center of gravity) of the rope when half of the rope has lifte...