24 Solved Questions in Past Midterm Exam - Major Concepts of Physics I | PHY 101, Exams of Physics

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Your name: Your TA: ‘Your section Day/Time: PHY 101 Mid-term Exam 1 ‘Wednesday October 8, 2008 Please be sure to show your work where it is requested. If no work is shown where it is requested, you will not receive any points. Also, partial credit will be given where appropriate. Finally, please use 10 m/s? for the magnitude of the acceleration due to gravity, g. Please answer the following multiple choice questions. Circle only one answer per question. (1) An apple has a mass of 0.5 kg. When the apple is in free-fall (neglecting air resistance), the total force on it is A.ON. B. 0.5 N. D. 10.0 N. (2) When an object is released from rest and falls (where there is no air resistance), which of the following is true? A. The velocity is constant. - The accleration is constatty C. Neither the acceleration nor velocity is constant. D. Both the acceleration and velocity are constant. (3) A man weighing 800 N stands at rest on two bathroom scales so that his weight is evenly distributed evenly between two scales. The reading on each scale is A. 100 N. B. 200 N. - 400 N. D. 800 N. (4) Which has no acceleration? An object A. at rest. B. moving at constant velocity. C. in mechanical equilibrium. ¢ 2: all of these> (5) Which of the following is a scientific hypothesis? ST at eae The Moon is made of green cheese.) B. There are things we will never know about. C. Matter is filled with undetectable particles. D. There are parts of the universe that will never be found by man. (6) A heavy object and a light object are dropped at the same time from rest in a vacuum. The