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1. (solving a free body diagram with a resultant load but no moment equation) = A bar of density p 1.5 g/cm³ is attached at the top face to a solid support. Gravity is g = 9.8 m/s². The bar has height H = 10 cm and a rectangular cross-section of dimensions a = 1 cm by 2a as shown. There is also a downward force F = 1N applied to the bottom face. What are the support reaction(s) at the solid support? Here are some hints, all of which are transferrable to other problems. We often do this illustrate something in a problem by adding a hint. If you think you might not remember this next time, start a list of tools like this that you can use throughout this class. You are allowed one hand-written sheet on exams, so these tools are things you can put on that sheet, for example. - a. Gravitational acceleration creates a force density Fa = pg, which is in units of N/m³ (once you do your units conversion – see next hints). H 2a a b. Remember your unit conversions; see the advice in module 0. If you use google to do your conversions, remember you do need to learn how to do this on your own on exams, so a good use of google here is to check your work. C. Also remember to use the definition of the SI derived unit N (Newton), which is N m/s²) = kg * d. Since you have a force density, you will need to calculate the resultant load. and that you need to integrate this across the entire object. Also remember that if the density is uniform, integration just means multiplying by the volume (for a body force). If this does not make sense, re-read or re-watch the resultant load

1. (solving a free body diagram with a resultant load but no moment equation) = A bar of density p 1.5 g/cm³ is attached at the top face to a solid support. Gravity is g = 9.8 m/s². The bar has height H = 10 cm and a rectangular cross-section of dimensions a = 1 cm by 2a as shown. There is also a downward force F = 1N applied to the bottom face. What are the support reaction(s) at the solid support? Here are some hints, all of which are transferrable to other problems. We often do this illustrate something in a problem by adding a hint. If you think you might not remember this next time, start a list of tools like this that you can use throughout this class. You are allowed one hand-written sheet on exams, so these tools are things you can put on that sheet, for example. - a. Gravitational acceleration creates a force density Fa = pg, which is in units of N/m³ (once you do your units conversion – see next hints). H 2a a b. Remember your unit conversions; see the advice in module 0. If you use google to do your conversions, remember you do need to learn how to do this on your own on exams, so a good use of google here is to check your work. C. Also remember to use the definition of the SI derived unit N (Newton), which is N m/s²) = kg * d. Since you have a force density, you will need to calculate the resultant load. and that you need to integrate this across the entire object. Also remember that if the density is uniform, integration just means multiplying by the volume (for a body force). If this does not make sense, re-read or re-watch the resultant load

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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1. (solving a free body diagram with a resultant load but no moment equation) = A bar of density p 1.5 g/cm³ is attached at the top face to a solid support. Gravity is g = 9.8 m/s². The bar has height H = 10 cm and a rectangular cross-section of dimensions a = 1 cm by 2a as shown. There is also a downward force F = 1N applied to the bottom face. What are the support reaction(s) at the solid support? Here are some hints, all of which are transferrable to other problems. We often do this illustrate something in a problem by adding a hint. If you think you might not remember this next time, start a list of tools like this that you can use throughout this class. You are allowed one hand-written sheet on exams, so these tools are things you can put on that sheet, for example. - a. Gravitational acceleration creates a force density Fa = pg, which is in units of N/m³ (once you do your units conversion – see next hints). H 2a a b. Remember your unit conversions; see the advice in module 0. If you use google to do your conversions, remember you do need to learn how to do this on your own on exams, so a good use of google here is to check your work. C. Also remember to use the definition of the SI derived unit N (Newton), which is N m/s²) = kg * d. Since you have a force density, you will need to calculate the resultant load. and that you need to integrate this across the entire object. Also remember that if the density is uniform, integration just means multiplying by the volume (for a body force). If this does not make sense, re-read or re-watch the resultant load
Transcribed Image Text:1. (solving a free body diagram with a resultant load but no moment equation) = A bar of density p 1.5 g/cm³ is attached at the top face to a solid support. Gravity is g = 9.8 m/s². The bar has height H = 10 cm and a rectangular cross-section of dimensions a = 1 cm by 2a as shown. There is also a downward force F = 1N applied to the bottom face. What are the support reaction(s) at the solid support? Here are some hints, all of which are transferrable to other problems. We often do this illustrate something in a problem by adding a hint. If you think you might not remember this next time, start a list of tools like this that you can use throughout this class. You are allowed one hand-written sheet on exams, so these tools are things you can put on that sheet, for example. - a. Gravitational acceleration creates a force density Fa = pg, which is in units of N/m³ (once you do your units conversion – see next hints). H 2a a b. Remember your unit conversions; see the advice in module 0. If you use google to do your conversions, remember you do need to learn how to do this on your own on exams, so a good use of google here is to check your work. C. Also remember to use the definition of the SI derived unit N (Newton), which is N m/s²) = kg * d. Since you have a force density, you will need to calculate the resultant load. and that you need to integrate this across the entire object. Also remember that if the density is uniform, integration just means multiplying by the volume (for a body force). If this does not make sense, re-read or re-watch the resultant load
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