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一、填空题1 物体的和越大 ,它具有的动能就 .物体的和被举起的越大 ,物体具有的重力势能就越大 .2 物体由于发生而具有的能叫弹性势能 ,其大小由物体的的大小来决定 .3 下列物体分别具有什么能 ?( 1 )压扁的坐垫 ;( 2 )举高的重锤 ;( 3 )在平静湖面上行驶的轮船 ;( 4)飞流?
1. Filling in the blank 1 The bigger the sum of the objects, the more kinetic energy it has. The larger the sum of the objects is lifted, the greater the gravitational potential energy that the object has. 2 The elastic energy that an object can have, due to its occurrence, is its size. Determined by the size of the object. 3 What can the following objects have? (1) flattened seat cushions; (2) lifting heavy hammers; (3) steamships on calm lakes; (4) flying stream?