2010-2011学年八年级物理下学期期中测试题(无答案) 教科版（2010-2011 academic year eight grade physics next semester mid-term test questions (no answer) teaching section）.docVIP

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2010-2011学年八年级物理下学期期中测试题(无答案) 教科版（2010-2011 academic year eight grade physics next semester mid-term test questions (no answer) teaching section）.doc

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2010-2011学年八年级物理下学期期中测试题(无答案) 教科版（2010-2011 academic year eight grade physics next semester mid-term test questions (no answer) teaching section）

2010-2011学年八年级物理下学期期中测试题(无答案) 教科版（2010-2011 academic year eight grade physics next semester mid-term test questions (no answer) teaching section） Test of grade eight 2010-2011 year period in Physics A single choice. (every day 2 points, a total of 15 items, 30 points) Question no. One Two Three Four Five Six Seven Eight Nine Ten Eleven Twelve Thirteen Fourteen Fifteen option 1. in the following phenomena, the state of motion of an object has not changed A. a car that moves forward after shutting down the engine B. accelerates the rise of aircraft C. starts the car and turns it from static to motion D. parachutes fall uniformly from the air 2. an ordinary middle school student stands on a horizontal floor with his feet, and the pressure and pressure on the horizontal ground are closest to him A.50N, 103Pa, B.50N, 104Pa C.500N, 106Pa, D.500N, 104Pa 3. the following measuring tools are often used by us, among which the measuring force is () A. B. C. D. scales steelyard balance spring balance 4. Dragon Boat Festival, the rower rhythm in uniform command under commander came back to the water, the boat fast forward. The force that makes the Dragon Boat advance is () A. the force of the hand acting on the pulp The force of the B. plasma acting on the hands The force of C. water acting on the pulp The force of the D. slurry acting backwards on the water 5. three cylinders made of copper, iron, and aluminum. They are of equal quality and of equal height. They are placed vertically on a horizontal table, and their pressure on the table is (). A. B. the biggest iron pillars C. aluminum column maximum D., three cylinders are the same size 6. hours in the lab with a spring ergometer weight will not be careful when the object is hung on the ring, when the object is stationary, the spring dynamometer shows the number of 10.0N, the weight is () A. must be 10.0N, B. must be less than 10.0N C. must be greater than 10.0N D., the above statement is incorrect 7. if air resistance does n