Mechanics - Problem Set Week 4, Exercises of Mechanics

Resultant of forces in two-dimensions and three-dimensions.

Typology: Exercises

2019/2020

Available from 01/19/2023

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Jeric Jay Serna BSME 2-1 2019-01079
Answer the following problems and show your complete solution. Use the file name:
FamilyName_ID#_Activity (ex. Castañeda_2017-19070_PracticeProblemSetWeek4).
Attach the file in PDF format and submit to USeP Virtual Environment (UVE). Deadline of
Submission: Oct. 20, 2020 11:59PM.
Scoring will be based on the rubric below:
Item
Rubrics for Problem Solving
Maximum
Raw Score
In Percent
Description
1
There is no attempt to solve the problem.
0
Unsatisfactory
2
Identifies the questions required in the
problem and presents the data necessary to
solve questions.
25
Developing
3
Draws the model figure (if needed), and
present the basic principles with appropriate
sketches + Item 2
50
Satisfactory
4
Presents definite ideas of the work and
provides logical steps of the solution + Item
3
75
Very
Satisfactory
5
Answered all of the questions + Item 4
100
Exemplar
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Answer the following problems and show your complete solution. Use the file name: FamilyName_ID#_Activity (ex. Castañeda_2017-19070_PracticeProblemSetWeek 4 ). Attach the file in PDF format and submit to USeP Virtual Environment (UVE). Deadline of Submission: Oct. 20 , 2020 11:59PM. Scoring will be based on the rubric below: Item Rubrics for Problem Solving Maximum Raw Score In Percent Description 1 There is no attempt to solve the problem. 0 Unsatisfactory 2 Identifies the questions required in the problem and presents the data necessary to solve questions. 25 Developing 3 Draws the model figure (if needed), and present the basic principles with appropriate sketches + Item 2 50 Satisfactory 4 Presents definite ideas of the work and provides logical steps of the solution + Item 3 75 Very Satisfactory 5 Answered all of the questions + Item 4 100 Exemplar

Problem No. 1: If the resultant of the forces shown passes through point A , determine the magnitude of the unknown tension T 2 which acts on the braked pulley. Solution:

Problem No. 2 : Determine the height h above the base B at which the resultant of the three forces acts. Solution:

Problem No. 4 : Determine the magnitude of the resultant and the location where it passes through the plate of the system of parallel forces. Solution:

Problem No. 5: Three forces act at point O. If it is known that the y - component of the resultant R is - 5 kN and that the z-component is 6 kN, determine F 3 , θ , and R. Solution:

Problem No. 7: A portion of the square plate is loaded by the uniformly distributed load p =20 lb/ft^2. Find the coordinates of the point in the xy - plane through which the resultant passes. Solution: