INTERNATIONAL EDITION---Engineering Mechanics: Statics, 14th edition (SI unit)
14th Edition
ISBN: 9780133918922
Author: Russell C. Hibbeler
Publisher: PEARSON
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Textbook Question
Chapter 1.6, Problem 8P
Represent each of the following combinations of units in the correct SI form using an appropriate prefix: (a) Mg/mm, (b) mN/μs, (c) μm · Mg.
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56
Clamps like the one shown are commonly used in
woodworking applications. This clamp has the dimensions
given in the table below the figure, and its jaws are
mm thick (in the direction perpendicular to the plane of the
picture).
a.) The screws of the clamp are adjusted so that there is a
uniform pressure of P = 150 kPa being applied to the
workpieces by the jaws. Determine the force carried in each
screw. Hint: the uniform pressure can be modeled in 2-D as a
uniform distributed load with intensity w = Pt (units of
N/m) acting over the length of contact between the jaw and
the workpiece.
b.) Determine the minimum vertical force (parallel to the
jaws) required to pull either one of the workpieces out of the
clamp jaws. Use a coefficient of static friction between all
contacting surfaces of μs = 0.56 and the same clamping
pressure given for part (a).
2013 Michael Swanbom
A
B
C
a
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.…
Determine the force in each member of the space truss given
F=5 kN. Use positive to indicate tension and negative to
indicate compression.
F
E
Z
-2 m.
B
3 m
C
5 m
3 m
A
-4 m.
AB
=
KN
FAC =
FAD =
KN
KN
KN
FBC =
KN
FBD
FBE
=
=
KN
F
A short brass cyclinder (denisty=8530 kg/m^3, cp=0.389 kJ/kgK, k=110 W/mK, and alpha=3.39*10^-5 m^2/s) of diameter 4 cm and height 20 cm is initially at uniform temperature of 150 degrees C. The cylinder is now placed in atmospheric air at 20 degrees C, where heat transfer takes place by convection with a heat transfer coefficent of 40 W/m^2K. Calculate (a) the center temp of the cylinder, (b) the center temp of the top surface of the cylinder, and (c) the total heat transfer from the cylinder 15 min after the start of the cooling. Solve this problem using the analytical one term approximation method. (Answer: (a) 45.7C, (b)45.3C, (c)87.2 kJ)
Chapter 1 Solutions
INTERNATIONAL EDITION---Engineering Mechanics: Statics, 14th edition (SI unit)
Ch. 1.6 - What is the weight in newtons of an object that...Ch. 1.6 - Represent each of the following combinations of...Ch. 1.6 - Represent each of the following combinations of...Ch. 1.6 - (b) 350 lb/ft3 to kN/m3, (c) 8 ft/h to mm/s....Ch. 1.6 - Represent each of the following as a number...Ch. 1.6 - Round off the following numbers to three...Ch. 1.6 - Represent each of the following quantities in the...Ch. 1.6 - Represent each of the following combinations of...Ch. 1.6 - Represent each of the following combinations of...Ch. 1.6 - Represent each of the following combinations of...
Ch. 1.6 - Represent each of the following with SI units...Ch. 1.6 - Evaluate each of the following to three...Ch. 1.6 - Determine its density in SI units. Use an...Ch. 1.6 - (212 mN)2, (52 800 ms)2, and [548(105)]1/2 ms.Ch. 1.6 - is a dimensionality homogeneous equation which...Ch. 1.6 - To show this, convert 1 Pa = 1 N/m2 to lb/ft2....Ch. 1.6 - What is the density expressed in SI units? Express...Ch. 1.6 - Evaluate each of the following to three...Ch. 1.6 - If the density (mass/Volume) of concrete is 2.45...Ch. 1.6 - If the man is on the moon, where the acceleration...Ch. 1.6 - If they are 800 mm apart, determine the force of...
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