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Exam 2 Example Questions

# Exam 2 Example Questions - Example Exam 2 Name These...

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Example Exam 2 Name____________________________ - 1 - These questions are similar to ones that might appear on the first exam. They will be discussed in the Tuesday recitation prior to the exam. There will be between 20 questions on the exam. 1 . You are riding downwards on an elevator at constant velocity. You are carrying a shopping bag. The work that you do on the bag is (a) negative (b) zero (c) positive (d) cannot be determined from the information given. 2 . An object is moving in uniform circular motion. The velocity of the object is (a) towards the center of the circle that defines the path of the object. (b) away from the center of the circle that defines the path of the object. (c) tangential to the circle that defines the path of the object. (d) constant. 3 . For an object in uniform circular motion, which of the following is constant? (a) position (b) velocity (c) acceleration (d) speed 4 . Consider the diagram to the right, which illustrates (from above) two forces 1 F r and 2 F r that act on a box during the time that it undergoes the displacement s r . Which of the following statements is true? (a) 1 F r does negative work on the box and 2 F r does positive work on the box. (b) 1 F r does positive work on the box and 2 F r does negative work on the box.

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