福建省湖雷中学2010届高三第7周周考（Fujian Lake Lei middle school 2010 high school seventh weeks week test）.docVIP

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福建省湖雷中学2010届高三第7周周考（Fujian Lake Lei middle school 2010 high school seventh weeks week test）.doc

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福建省湖雷中学2010届高三第7周周考（Fujian Lake Lei middle school 2010 high school seventh weeks week test） Fujian Lake Lei middle school 2010 high school seventh weeks week test Physics Exam time: 90 minutes, 120 points A choice: (the total of 12 a.. For each question there are four options, some have only one option right, right there is some more options, all selected for the 5 points, but the failure of the election of 3 points, 0 points are wrong). 1. On the free fall movement, the following statement is correct A, the object of vertical downward movement is free fall motion; B, acceleration is the motion of gravity acceleration, that is, free fall motion; C, in the process of free falling motion, objects of different mass have the same motion law; D, objects do free fall motion, displacement is inversely proportional to time. 2, the following statement is correct A in the international system of units, the units of mechanics are chosen as basic units: meters, kilograms, and seconds; B, the acceleration of the object must be at the same time with the resultant force of the object, and disappear at the same time, and the direction is consistent forever; C, lifting weights on the moon is easier than lifting on the earth, so the same object is less inertial on the moon than on earth; Put a spring with D, lift the floor, put a body of mass m on disk, when the scale reading of 0.8mg, the lift must be accelerated decline. 3, the relation between velocity and acceleration is correct in the following statement A, when the acceleration of the object is in the positive direction, then the speed will increase; B, the faster the object changes, the greater the acceleration; C the acceleration of the object remains the same, and the velocity direction remains the same; D, the acceleration of the object becomes smaller and smaller, and the speed decreases. 4, as shown in Figure 1, water, bucket rope are respectively a, B, C three, is easily broken in the case where the rope (A), a; B, B; C,