Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Chapter 2, Problem 2.9CP
Write a program that will calculate me magnitude of a resultant force, given the X and Y rectangular components of the force. Also include the calculation of the inclination of the resultant force with the positive X axis.
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using the theorem of three moments, find all the reactions and supports, I need the calculations only
Q.5: (10 Marks) Select the correct answer (choose 10 only)
1. The forward whirling speed is ......... the static structure tilting speed.
(a) Less than
(b) Higher than
(c) equal to
2. The divergence between the forward and backward whirling speeds increases as:
(a) The rotating speed increase (b) the polar moment of inertia increases
(c) Both (a) and (b)
(d) do not change
3. Increasing the system natural frequency can be done by:
(a) add masses (b) adding braces and supports (c) increase damping
4. The amplitude of vibration due to external force can be reduced by:
(a) Increasing damping (b) Decreasing damping (c) Increasing mass
5. Tuned absorbers are used to:
(a) Shift the natural frequency (b) increase damping (c) Increase stiffness
6. Accelerometers sensors contains:
г
(a) Piezoelectric materials (b) Magnet and coil (c) coil only
7. Increasing the stiffness of the system causes:
(a) Less transmitted force (b) more transmitted force (c) Transmitted force does not
change
8. The…
Q.1: (15 Marks)
Find the first three natural frequencies and mode shapes of the axial and torsional
vibration for a steel shaft free at both ends, having a length of 3 m. Find the subsequent
axil motion if the shaft is subjected to the following initial conditions, given that E = 210
GPa, G=80 GPa, p = 7800 kg/m³:
f(x)=0
v(x) = {1
2.8
Chapter 2 Solutions
Applied Statics and Strength of Materials (6th Edition)
Ch. 2 - Find the resultant force for each system of forces...Ch. 2 - Rework Problem 2.1 solving for the resultants...Ch. 2 - Compute the vertical and horizontal components for...Ch. 2 - Compute the vertical and horizontal components for...Ch. 2 - Compute the vertical and horizontal components for...Ch. 2 - The rectangular components of a force are...Ch. 2 - Find the resultant force on the screw eye. One...Ch. 2 - Write a program that will calculate the...Ch. 2 - Write a program that will calculate me magnitude...Ch. 2 - Calculate and display the vertical and horizontal...
Ch. 2 - A plastic barrel containing water is used as an...Ch. 2 - A telephone pole is braced by a guy wire that...Ch. 2 - Compute the vertical and horizontal components for...Ch. 2 - Compute the vertical and horizontal components of...Ch. 2 - Compute the rectangular components parallel and...Ch. 2 - Determine the vertical and horizontal components...Ch. 2 - Find the vertical and horizontal components of...Ch. 2 - An inclined cable is used to pull on a log as...Ch. 2 - In Problem 2.18 , if the log will slide when a...Ch. 2 - A rope is bed to the top of a 10-m flagpole The...Ch. 2 - A rope tow is used to pull skiers up a...Ch. 2 - Determine the slope triangle dimension s so that...Ch. 2 - The crane wheel applies a 9500-lb forte to the...Ch. 2 - The horizontal and vertical components,...Ch. 2 - Calculate the X and Y components of each force...Ch. 2 - Find the resultant of the two force acting on the...Ch. 2 - A drawbar support assembly is shown in the figure....Ch. 2 - The Howe roof truss shown is subjected to wind...Ch. 2 - The release cam mechanism is subjected to the...
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