EBK ENGINEERING MECHANICS
15th Edition
ISBN: 9780137569830
Author: HIBBELER
Publisher: VST
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Textbook Question
Chapter 6, Problem 81P
The hoist supports the 125-kg engine. Determine the force the load creates in member DB and in member FB, which contains the hydraulic cylinder H.
Prob. 6-81
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Students have asked these similar questions
4. Two links made of heat treated 6061 aluminum (Sy = 276 MPa, Sys = 160 MPa) are pinned
together using a steel dowel pin (Sy = 1398 MPa, Sys = 806 MPa) as shown below. The
links are to support a load P with a factor of safety of at least 2.0. Determine if the link will
fail first by tearout, direct shear of the pin, bearing stress on the link, or tensile stress at
section AA. (Hint: find the load P for each case and choose the case that gives the smallest
load.)
P
8 mm
P
8 mm
¡+A
3 mm
→A
10 mm
P
1. For a feature other than a sphere, circularity is where:
A. The axis is a straight line
B. The modifier is specified with a size dimension
C. All points of the surface intersected by any plane
perpendicular to an axis or spine (curved line) are
equidistant from that axis or spine
D. All points of the surface intersected by any plane
passing through a common center are equidistant
from that center
2. What type of variation is limited by a circularity toler-
ance zone?
A. Ovality
B. Tapering
C. Bending
D. Warping
3. How does the Rule #1 boundary affect the application
of a circularity tolerance?
A. The modifier must be used.
B. The feature control frame must be placed next to
the size dimension.
C. The circularity tolerance value must be less than
the limits of size tolerance.
D. Circularity cannot be applied where a Rule #1
boundary exists.
4. A circularity tolerance may use a
modifier.
A. Ø
B. F
C. M
D. ℗
5. A real-world application for a circularity tolerance is:
A. Assembly (i.e.,…
3. A steel bar is pinned to a vertical support column by a 10 mm diameter hardened dowel pin,
Figure 1. For P = 7500 N, find:
a. the shear stress in the pin,
b. the direct bearing stress on the hole in the bar,
c. the minimum value of d to prevent tearout failure if the steel bar has a shear strength of
175 MPa.
support column
pin
bar
thickness of bar = 8 mm
h
d
150 mm
Chapter 6 Solutions
EBK ENGINEERING MECHANICS
Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the greatest load P that can be applied...Ch. 6 - Identify the zero-force members in the truss....Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss in...
Ch. 6 - Members AB and BC can each support a maximum...Ch. 6 - Members AB and BC can each support a maximum...Ch. 6 - Determine the force in each member of the truss....Ch. 6 - If the maximum force that any member can support...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Prob. 22PCh. 6 - Determine the force in members BC, CF, and FE....Ch. 6 - Determine the force in members LK, KC, and CD of...Ch. 6 - Determine the force in members KJ, KD, and CD of...Ch. 6 - Determine the force in members EF, CF, and BC of...Ch. 6 - Determine the force in members DC, HC, and HI of...Ch. 6 - Determine the force in members ED, EH, and GH of...Ch. 6 - Determine the force in members HG, HE and DE of...Ch. 6 - Determine the force in members CD, HI, and CH of...Ch. 6 - Prob. 39PCh. 6 - Determine the force in members CD, CF, and CG and...Ch. 6 - Determine the force developed in members FE, EB,...Ch. 6 - Determine the force in members CD, CJ, GJ, and CG...Ch. 6 - Prob. 48PCh. 6 - Determine the force in members HI, FI, and EF of...Ch. 6 - Determine the force P needed to hold the 60-lb...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - If a 100-N force is applied to the handles of the...Ch. 6 - Determine the normal force that the 100-lb plate A...Ch. 6 - Determine the force P needed to lift the load....Ch. 6 - Prob. 19FPCh. 6 - Prob. 20FPCh. 6 - Determine the components of reaction at A and C....Ch. 6 - Determine the components of reaction at C. Prob....Ch. 6 - Determine the components of reaction at E. Prob....Ch. 6 - Determine the components of reaction at D and the...Ch. 6 - Determine the force P required to hold the 100-lb...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - The bridge frame consists of three segments which...Ch. 6 - Determine the reactions at supports A and B. Prob....Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - The compound beam is pin supported at B and...Ch. 6 - When a force of 2 lb is applied to the handles of...Ch. 6 - The hoist supports the 125-kg engine. Determine...Ch. 6 - Prob. 88PCh. 6 - Determine the horizontal and vertical components...Ch. 6 - The pipe cutter is clamped around the pipe P. If...Ch. 6 - Five coins are stacked in the smooth plastic...Ch. 6 - The nail cutter consists of the handle and the two...Ch. 6 - A man having a weight of 175 lb attempts to hold...Ch. 6 - Prob. 97PCh. 6 - If a force of F = 350 N is applied to the handle...Ch. 6 - Prob. 106PCh. 6 - If a force of F = 50 lb is applied to the pads at...Ch. 6 - The spring has an unstretched length of 0.3 m....Ch. 6 - The spring has an unstretched length of 0.3 m....Ch. 6 - The piston C moves vertically between the two...Ch. 6 - Prob. 113PCh. 6 - The platform scale consists of a combination of...Ch. 6 - The three pin-connected members shown in the top...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in member GJ and GC of the...Ch. 6 - Determine the force in members GF, FB, and BC of...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - Determine the resultant forces at pins B and C on...
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