福建省北师大泉州附中2012届九年级物理下学期期中考试试题(含答案) 人教新课标版（Quanzhou Middle School of Fujian Normal University 2012 grade nine physics next semester midterm examination questions (including answers), people teach new curriculum versi.docVIP

福建省北师大泉州附中2012届九年级物理下学期期中考试试题(含答案) 人教新课标版（Quanzhou Middle School of Fujian Normal University 2012 grade nine physics next semester midterm examination questions (including answers), people teach new curriculum versi Quanzhou junior high school attached to Fujian Normal University 2012 grade nine mid-term exam physics examination questions (including answers) (full marks: 100 minutes: examination time: 90 minutes) A choice (the title of 22 items, each item of 2 points, a total of 44 points, every day only one option is right, wrong, do not choose multiple or 0 points) 1., we observe that geostationary communication satellites are stationary, because the reference we choose is () A. sun, B. earth, C. moon, D. Mars 2. small family must each buy a new house, he saw a developer said the ads. Traveling from new flats to just 3 minutes in a large shopping mall of the time. Accordingly, do you think from the new flats to the larger shopping mall is relatively close to the distance is? A.200m B.400m C.2000m D.10000m 3. hand on a bicycle bell, no matter how hard hitting, bell will not clear, this is because A. pressed his hand on the bell, and the sound could not be heard. B. pressed his hand on the bell and his hand absorbed the sound C. hands on the bell, affecting the normal vibration of the bell, D. hands on the bell, there is no media around 4. in daily life, friction has both advantages and disadvantages. The harmful friction in Figure 1, which needs to be reduced () A. fork cake, between the fork and cake friction, B. hand picked up the cup, hand and cup friction between When the C. climbs the pole, the friction between the ball and the rod, the rotation of the D. shaft, the friction between the steel ball and the bearing 5. in the case of Fig. 2, what is applied in the direction of gravity is () 6. the spacecraft that flies in space, if it is subjected to all the external forces to vanish, then the words of the spaceship will be A. immediately stationary, B. decelerat