Click and drag answers to change the order, or select using ↹ Tab then move by pressing Space and the ↑ ↓ arrows on your keyboard.
a quantity with a magnitude (size) but not a direction
the speed of an object in a particular direction
a quantity with a magnitude (size) and a direction
the distance travelled in a straight line from a starting point
To pick up a draggable item, press the space bar.
While dragging, use the arrow keys to move the item.
Press space again to drop the item in its new position, or press escape to cancel.