 | Robert Édouard Moritz - 1913 - 562 strani
...by prefixing a plus sign to the resulting angle if it has been described by rotation in a Fig. 1 19. direction contrary to that in which the hands of a clock move (counterclockwise), Fig. 119, and a >w minus sign if the rotation has been in the opposite direction... | |
 | Henry Crew - 1916 - 654 strani
...between the lines OP and OX. The angular distance 6 we shall always consider positive when measured in a direction contrary to that in which the hands of a clock move, a direction which is called counterclockwise. In like manner, . X 0 is considered negative FIG. 2.... | |
 | Alfred Henry, Institute of Actuaries (Great Britain) - 1922 - 172 strani
...vectorial angle. The convention adopted is that the angle XOP is reckoned positive if measured from OX in a direction contrary to that in which the hands of a clock revolve, and negative if measured in the reverse direction. Further, the radius vector is considered... | |
 | Irl Roger Hicks - 1894 - 370 strani
...improving. On a clear night if you will face the pole star you will see that the stars are traveling around in a direction contrary to that in which the hands of a watch move. Now, face the south. The stars in the east are rising slantingly towards the south ; those... | |
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In the northern hemisphere the cyclone rotates in a direction contrary to that in which the hands of a clock move, but in the southern hemisphere the rotation coincides with the movement of the hands. 
