Given:
A rod is supported by
smooth journal bearings
at A, B, and C. Assume
the rod is properly
aligned.
Find:
The reactions Cy and Bx.
Click the Correct Answer:
A) Cy = 813 N; BX = -932
B) Cy = -813 N; BX = 932
C) Cy = 318 N; BX = -239
D) Cy = -318 N; BX

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TEXTBOOK SOLUTIONS
10/26/16, 9:40 AM
From the table of factors, find the value of
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Shigley's Mechanical Engineering Design 10th Edition Textbook Solutions

SIMPLE TRUSSES, THE METHOD OF JOINTS, &
ZERO-FORCE MEMBERS
Todays Objectives:
Students will be able to:
In-Class Activities:
a) Define a simple truss.
Check Homework, if any
b) Determine the forces in members of a
simple truss.
Reading Quiz
c) Identify

We are thrilled to continue the exciting VEX U program for another year. There are so many colleges
and universities which already use the VEX EDR System in their academic programs it is only natural
that they have a place to pit their skills against each

How to Start and Organize
A VEX Robotics Team
This document has been created to help new teams get started with the VEX Robotics
Competition. If after reading this document, your team still has questions about getting started,
please feel free to visit ww

Drivers Meeting Notes
Overview
The Drivers Meeting is typically run by some combination of the Head Referee and Field Manager.
Topics
This document covers the major topics that should be brought up during your events morning meeting with the
teams.
Safety

Ocial Ultimaker Robot
By
http:/www.youmagine.com/designs/524
Hosted on
Published on Feb 04, 2015
By Siert
License: Commercial use is allowed, you must
attribute the creator, you may remix this work
and the remixed work should be made available
under this

Steel framing classifications mostly come from ASTM. The code starts with the letter A, followed by a
number ranging anywhere from 1 to 1000. There's a complete listing of the various specifications at the
ASTM website, but here's a sampling for common st

Ocial Ultimaker Robot
By: (Siert)
License: Commercial use is allowed, you must attribute the creator, you may
remix this work and the remixed work should be made available under this
license.
Published on: Feb 04, 2015
Located at: http:/www.youmagine.com/

5.4 THE METHOD OF SECTIONS
Todays Objectives:
Students will be able to determine:
1. Forces in truss members using the
method of sections.
In-Class Activities:
Check Homework, if any
Reading Quiz
Applications
Method of Sections
Concept Quiz
Group Pr

6.5 PARALLEL-AXIS THEOREM FOR AN AREA &
6.6 MOMENT OF INERTIA FOR COMPOSITE AREAS
Todays Objectives:
Students will be able to:
1. Apply the parallel-axis
theorem.
2. Determine the moment of
inertia (MoI) for a
composite area.
Cross-sectional areas of stru

2.7 POSITION VECTORS
2.8 FORCE VECTORS
Todays Objectives:
Students will be able to :
a) Represent a position vector in Cartesian
coordinate form, from given geometry.
In-Class Activities:
b) Represent a force vector directed along Check Homework
a line.

2.1-2.4 FORCE VECTORS, VECTOR
OPERATIONS & ADDITION COPLANAR
FORCES
Todays Objective:
Students will be able to :
a) Resolve a 2-D vector into components.
b) Add 2-D vectors using Cartesian vector notations.
In-Class activities:
Check Homework
Reading Qu

Note: The origin (0,0,0) is located at where the ropes are
tied to the hook.
CLICKERS:
=
A) 115 deg
B) 45 deg
C) 130 deg
D) None of the
above
You must solve this problem using VECTOR ANALSYS. (You
can only use Scalar method to check your answer).
CLICKERS

3.6 MOMENT OF A COUPLE
Todays Objectives:
Students will be able to
a) define a couple, and,
b) determine the moment of a couple.
In-Class activities:
Check Homework
Reading Quiz
Applications
Moment of a Couple
Concept Quiz
Group Problem Solving
Att

If alpha=beta=gamma = 60 deg
(overstated)
and F1 = 100 N,
find the y component (only) of the Resultant force on the mast caused by F1, F2, and F3.
cos(60) =
0.5
F1x
F1y
F1z
sum(Fx)
Sum(Fy)
Sum(Fz)
50
50
50
50
-250
-150
295.803989155
for alpha
cos2(alpha)+

3.5 MOMENT ABOUT AN AXIS
Todays Objectives:
Students will be able to determine the moment of a
force about an axis using
In-Class Activities:
a) scalar analysis, and
b) vector analysis.
Check Homework
Reading Quiz
Applications
Scalar Analysis
Vector

Find the force in Member CE.
Click the Correct Answer:
A) F_CE = 1.10 kN (C)
B) F_CE = 450 N (C)
C) F_CE = 0 N
D) F_CE = 226 N (C)
Find the force in Member DE.
Click the Correct Answer:
A) F_DE = 1.20 kN (T)
B) F_DE = 1.20 kN (C)
C) F_DE = 2.10 kN (T)
D)

Did this one 10/9 5-6 pm
Did this one 10/9 5-6 pm
Did this one 10/9 5-6 pm
EGR 241 STATICS
Assignment No. 4 SOLUTIONS (contd)
Did this one 10/9 5-6 pm
Problem2
ANSWER:
A
B
Or,dowhatwedidinclassWednight
.findrABthenuABthen
letF=Fmag*uAB_x ini +Fmag*uAB_y i

6.3 REDUCTION OF A SIMPLE DISTRIBUTED LOADING
Students will be able to determine an
equivalent force for a distributed load.
In-Class Activities:
Check Homework
Reading Quiz
Applications
=
Equivalent Force
Concept Quiz
Group Problem Solving
Attenti