Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 10, Problem 8RQ
To determine
Whether the given statement is true or false.
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Y
F1
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X
F2
You and your friends are planning to move the log. The log.
needs to be moved straight in the x-axis direction and it
takes a combined force of 2.9 kN. You (F1) are able to exert
610 N at a = 32°. What magnitude (F2) and direction (B) do
you needs your friends to pull?
Your friends had to pull at:
magnitude in Newton, F2
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direction in degrees, ẞ =
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100
As a spring is heated, its spring constant decreases. Suppose the spring is heated and then cooled so that the
spring constant at time t is k(t) = t sin + N/m. If the mass-spring system has mass m = 2 kg and a
damping constant b = 1 N-sec/m with initial conditions x(0) = 6 m and x'(0) = -5 m/sec and it is
subjected to the harmonic external force f (t) = 100 cos 3t N. Find at least the first four nonzero terms in
a power series expansion about t = 0, i.e. Maclaurin series expansion, for the displacement:
• Analytically (hand calculations)
Creating Simulink Model
Plot solutions for first two, three and four non-zero terms as well as the Simulink solution on the same graph
for the first 15 sec. The graph must be fully formatted by code.
Two springs and two masses are attached in a straight vertical line as shown in Figure Q3. The system is set
in motion by holding the mass m₂ at its equilibrium position and pushing the mass m₁ downwards of its
equilibrium position a distance 2 m and then releasing both masses. if m₁ = m² = 1 kg, k₁ = 3 N/m and
k₂ = 2 N/m.
(y₁ = 0)
www
k₁ = 3
Jm₁ = 1
k2=2
www
(Net change in
spring length
=32-31)
(y₂ = 0)
m₂ = 1
32
32
System in
static
equilibrium
System in
motion
Figure Q3 - Coupled mass-spring system
Determine the equations of motion y₁ (t) and y₂(t) for the two masses m₁ and m₂ respectively:
Analytically (hand calculations)
Using MATLAB Numerical Functions (ode45)
Creating Simulink Model
Produce an animation of the system for all solutions for the first minute.
Chapter 10 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 10 - WHat should be worn when working with any type of...Ch. 10 - Prob. 2RQCh. 10 - What is the best way to lift a vehicle when...Ch. 10 - True or False? The first step in removing an...Ch. 10 - Prob. 5RQCh. 10 - The buildup of minerals and deposits inside the...Ch. 10 - Hydrocarbon solvents are. flammable toxic both a...Ch. 10 - Prob. 8RQCh. 10 - Which cleaning method uses high-frequency sound...Ch. 10 - Parts must be when they go into an abrasive blast...
Ch. 10 - Prob. 11RQCh. 10 - Which of the following is not considered part of...Ch. 10 - Why should a memory saver be installed before dis...Ch. 10 - Which of the following statements is not true...Ch. 10 - Which of the following is not a common way to...Ch. 10 - While working on an engine with an excessive...Ch. 10 - While discussing the common causes for cracks...Ch. 10 - Technician A uses a crane to remove an engine from...Ch. 10 - Prob. 4ASRQCh. 10 - While discussing abrasive cleaners: Technician A...Ch. 10 - Technician A labels or marks all electrical wires...Ch. 10 - While discussing cleaning engine parts: Technician...Ch. 10 - While loosening the axle shaft hub nuts on a FWD...Ch. 10 - While preparing to remove an engine: Technician A...Ch. 10 - After removing the vehicles hood in preparation...
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