PHYS211_checkpoint5

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University of Illinois, Urbana Champaign *

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211

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Physics

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Apr 3, 2024

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pdf

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Physics 211 Spring 2021 February 2021 1) 2) Forces and Free-Body Diagrams (Default) The next two questions pertain to the situation described below. A box of mass m hangs by a string from the ceiling of an elevator that is accelerating upward. Which of the following best describes the tension T in the string? a. T < mg b. T = mg c. T > mg Briefly explain your answer to the previous question.
3) 4) The next two questions pertain to the situation described below. A box of mass m is hung by a spring from the ceiling of an elevator. When the elevator is at rest, the length of the spring is L = 1m. As the elevator accelerates upward, the length of the spring will be a. L < 1 m b. L = 1 m c. L > 1 m Briefly explain your answer to the previous question.
5) 6) The next two questions pertain to the situation described below. A block sits at rest on a horizontal frictionless surface. Which of the follwoing sketches most closely resembles the correct free body diagram for all forces acting on the block. Each red arrow represents a force. a. A b. B c. C d. D Briefly describe the forces represented by each of the arrows in your choice for the above question.
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7) 8) 9) 10) The next ten questions pertain to the situation described below. These next questions ask you your feelings about engineering (assuming that you're majoring in engineering, which most PHYS211 students are) and about your expectations about PHYS211. Please answer what you honestly believe. I expect that I’ll receive an excellent grade in PHYS211. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree I feel like I belong in engineering. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree f. I am not planning on majoring in engineering. It is normal to struggle with physics material when it’s presented for the first time. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree I’m confident I can learn the material in PHYS211. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree
11) 12) 13) 14) 15) 16) I feel welcomed in the engineering community. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree f. I am not planning on majoring in engineering. If I struggle to understand a physics topic, that’s a sign that I’m not smart enough to learn it. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree I feel like an outsider in engineering. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree f. I am not planning on majoring in engineering. If a physics assignment is hard, it means I'll probably learn a lot doing it. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree I worry about my ability to solve physics problems in PHYS211. a. Strongly Agree b. Agree c. Neutral d. Disagree e. Strongly Disagree Are there particular events, activities, interactions, or relationships that make you feel like you do or don’t belong in engineering? Describe them.
17) What concepts did you find most difficult, or what would you like to be sure we discuss in lecture?
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