Word: friction
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...plates carrying two continental masses collide, for example, the crust buckles, creating craggy mountain ranges like the Himalayas. If they grind past each other, as the Pacific and North American plates do under California's San Andreas fault, friction locks them together. Every so often, abrupt slippages occur and the earth around them shudders in what geologists call strike-slip quakes. Still another kind of tectonic phenomenon, the meeting of an oceanic and a continental plate, is responsible for the Mexican disaster...
under the continental crust, the oceanic mass sticks in certain places, its motion halted by friction. But the force propelling Cocos forward remains unrelenting, building up strain in the rock of both plates. When the frictional forces are overcome, the "stuck" section of the Cocos plate lurches forward (at least 10 ft. last week), generating the shock waves of a "thrust" quake...
...however, that spirit of cooperation and mutual respect is quickly deteriorating. Recent episodes of town-gown friction suggest that Harvard officials are once again set on a destructive course toward antagonism and distrust...
...however, that spirit of cooperation and mutual respect is quickly deteriorating. Recent episodes of town-gown friction suggest that Harvard officials are once again set on a destructive course toward antagonism and distrust...
...however, that spirit of cooperation and mutual respect is quickly deteriorating. Recent episodes of town-gown friction suggest that Harvard officials are once again set on a destructive course toward antagonism and distrust...