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3) You stand at the end of a uniform diving board a distance d from support 2 (as shown in the picture below. Your mass is m and the distance between the supports is a. Draw an extended-body force diagram and use it to find the forces (magnitude and direction) that supports 1 and 2 exert on the board (you can neglect the force Earth exerts on the board itself).

3) You stand at the end of a uniform diving board a distance d from support 2 (as shown in the picture below. Your mass is m and the distance between the supports is a. Draw an extended-body force diagram and use it to find the forces (magnitude and direction) that supports 1 and 2 exert on the board (you can neglect the force Earth exerts on the board itself).

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3) You stand at the end of a uniform diving board a distance d from support 2 (as shown in the picture below. Your mass is m and the distance between the supports is a. Draw an extended-body force diagram and use it to find the forces (magnitude and direction) that supports 1 and 2 exert on the board (you can neglect the force Earth exerts on the board itself). Ability A1: Can extract the information from representation correctly Needs Work Some of the information is extracted correctly, but not all of the information. For example, physical quantities are represented with numbers there are no units. Or directions are missing. Subscripts for physical quantities are either missing or inconsistent. Adequate All necessary information has been extracted correctly and written in a comprehensible way. Objects, systems, physical quantities, initial and final states, etc. are identified correctly and units are correct. Physical quantities have consistent subscripts. Adequate The diagram contains no errors and each force is labeled so that it is clearly understood what each force represents. 1 2 Adequate Mathematical procedure is fully consistent with the design. All quantities are calculated correctly with proper units. Final answer is meaningful. Inadequate Information that is extracted contains errors such as labeling quantities incorrectly, mixing up initial and final states, choosing a wrong system, etc. Physical quantities have no subscripts (when those are needed). Ability A5: Is able to construct a force diagram Needs Work Inadequate Missing No visible attempt is made to extract information from the problem text. FD contains no errors in vectors but lacks a key feature such as labels of forces with two subscripts or vectors are not drawn from single point, or components are drawn instead of forces. FD is constructed but contains major errors such as incorrect mislabeled or not labeled force vectors, length of vectors, wrong direction, extra incorrect vectors are added, or vectors are missing. Ability D7: Is able to choose a productive mathematical procedure for solving the problem Inadequate Needs Work Correct and complete mathematical procedure is described but an error is made in the calculations. All units are consistent. A mathematical procedure is described, but is incorrect or incomplete, due to which the final answer cannot be calculated. Or units are inconsistent. Missing No representation is constructed. Missing Mathematical procedure is either missing, or the equations written down are irrelevant to the design.
Transcribed Image Text:3) You stand at the end of a uniform diving board a distance d from support 2 (as shown in the picture below. Your mass is m and the distance between the supports is a. Draw an extended-body force diagram and use it to find the forces (magnitude and direction) that supports 1 and 2 exert on the board (you can neglect the force Earth exerts on the board itself). Ability A1: Can extract the information from representation correctly Needs Work Some of the information is extracted correctly, but not all of the information. For example, physical quantities are represented with numbers there are no units. Or directions are missing. Subscripts for physical quantities are either missing or inconsistent. Adequate All necessary information has been extracted correctly and written in a comprehensible way. Objects, systems, physical quantities, initial and final states, etc. are identified correctly and units are correct. Physical quantities have consistent subscripts. Adequate The diagram contains no errors and each force is labeled so that it is clearly understood what each force represents. 1 2 Adequate Mathematical procedure is fully consistent with the design. All quantities are calculated correctly with proper units. Final answer is meaningful. Inadequate Information that is extracted contains errors such as labeling quantities incorrectly, mixing up initial and final states, choosing a wrong system, etc. Physical quantities have no subscripts (when those are needed). Ability A5: Is able to construct a force diagram Needs Work Inadequate Missing No visible attempt is made to extract information from the problem text. FD contains no errors in vectors but lacks a key feature such as labels of forces with two subscripts or vectors are not drawn from single point, or components are drawn instead of forces. FD is constructed but contains major errors such as incorrect mislabeled or not labeled force vectors, length of vectors, wrong direction, extra incorrect vectors are added, or vectors are missing. Ability D7: Is able to choose a productive mathematical procedure for solving the problem Inadequate Needs Work Correct and complete mathematical procedure is described but an error is made in the calculations. All units are consistent. A mathematical procedure is described, but is incorrect or incomplete, due to which the final answer cannot be calculated. Or units are inconsistent. Missing No representation is constructed. Missing Mathematical procedure is either missing, or the equations written down are irrelevant to the design.
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