论文部分内容阅读
一、填空题1.在国际单位制中,压力的单位是____,受力面积的单位是____,压强的单位是____,它还有一个专用单位____,简称____,符号是____,这是为了纪念____国科学家____在物理学方面作出的杰出贡献.1 Pa=1N/m~2,表示____.2.一些圆珠笔在手握的位置有橡胶套,这是为了增大受力面积,从而____压强.3.在骑自行车放学回家的路上,小丽发现车胎在缓慢地漏气,忽略车胎内空气的质量,在骑行过程中,车胎对地面的压力____,对地面的压强____.4.小阳原来睡在木板床上,最近他买了一张席梦
First, to fill in the blank 1. In the international system of units, the pressure unit is ____, force area unit is ____, the pressure unit is ____, it also has a special unit ____, referred to as ____, the symbol is ____, this is to commemorate ____ scientists ____ in physics outstanding contribution made .1 Pa = 1N / m ~ 2, said ____. 2. Some ballpoint pen in the hand position of the rubber cover, This is to increase the force area, which ____ pressure .3. In the bike home from school on the road, Mary found the tire slowly bleeding, ignoring the quality of the air inside the tire during the ride, the tire The pressure on the ground ____, the pressure on the ground ____. 4 Xiao Yang had been sleeping in the wooden bed, he recently bought a dream