Thinking Like an Engineer
4th Edition
ISBN: 9781269910989
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: Pearson Learning Solutions
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Textbook Question
Chapter 18, Problem 1RQ
- 1. The specific gravity of gold is 19.3. Write a MATLAB program that will ask the user to input the mass of a cube of solid gold in units of kilograms and display the length of a single side of the cube in units of inches. The output should display a sentence like the following one, with the length formatted to two decimal places.
Sample Input/Output
Enter the mass of the cube [kilograms] : 0.4
The length of one side of the cube is 1.08 inches.
Expert Solution & Answer
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The beam is supported by a pin at B and a roller at C and is
subjected to the loading shown with w =110 lb/ft, and F
205 lb.
a.) If M
=
2,590 ft-lb, determine the support reactions at B
and C. Report your answers in both Cartesian components.
b.) Determine the largest magnitude of the applied couple M
for which the beam is still properly supported in equilibrium
with the pin and roller as shown.
2013 Michael Swanbom
CC
BY NC SA
M
ру
W
B⚫
C
F
ka
b
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
3.2 ft
b
6.4 ft
C
3 ft
a.) The reaction at B is B =
The reaction at C is C =
ĵ lb.
i+
Ĵ lb.
b.) The largest couple that can be applied is M
ft-lb.
==
i+
The beam ABC has a mass of 79.0 kg and is supported by
the rope BDC that runs through the frictionless pulley at D
. The winch at C has a mass of 36.5 kg. The tension in the
rope acts on the beam at points B and C and counteracts
the moments due to the beam's weight (acting vertically at
the midpoint of its length) and the weight of the winch
(acting vertically at point C) such that the resultant moment
about point A is equal to zero. Assume that rope segment
CD is vertical and note that rope segment BD is NOT
necessarily perpendicular to the beam.
a.) Compute the tension in the rope.
b.) Model the two forces the rope exerts on the beam as a
single equivalent force and couple moment acting at point B.
Enter your answer in Cartesian components.
c.) Model the two forces the rope exerts on the beam as a
single equivalent force (no couple) and determine the
distance from A to the point along the beam where the
equivalent force acts (measured parallel to the beam from A
). Enter your answer…
w1
Three distributed loads act on a beam as shown. The load
between A and B increases linearly from 0 to a maximum
intensity of w₁ = 12.8 lb/ft at point B. The load then varies
linearly with a different slope to an intensity of w₂ = 17.1
lb/ft at C. The load intensity in section CD of the beam is
constant at w3 10.2 lb/ft. For each load region, determine
the resultant force and the location of its line of action
(distance to the right of A for all cases).
cc 10
BY NC SA
2016 Eric Davishahl
=
WI
W2
W3
-b-
C
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
4.50 ft
b
5.85 ft
с
4.28 ft
The resultant load in region AB is FR₁ =
lb and acts
ft to the right of A.
The resultant load in region BC is FR2
lb and acts
=
ft to the right of A.
The resultant load in region CD is FR3 =
lb and acts
ft to the right of A.
Chapter 18 Solutions
Thinking Like an Engineer
Ch. 18.1 - a. Write an input statement to ask for the users...Ch. 18.1 - Prob. 2CCCh. 18.1 - Prob. 3CCCh. 18.2 - Assume that the variable M is stored in the...Ch. 18.2 - Prob. 5CCCh. 18 - Write a MATLAB statement that results in the input...Ch. 18 - You are writing code that is part of a purchasing...Ch. 18 - Prob. 3ICACh. 18 - Prob. 4ICACh. 18 - Prob. 5ICA
Ch. 18 - Assume that a three-element row vector v already...Ch. 18 - The tiles on the space shuttle are constructed to...Ch. 18 - The specific gravity of acetic acid (vinegar) is...Ch. 18 - Write a MATLAB program that will allow a user to...Ch. 18 - Write a program that will allow the user to type a...Ch. 18 - In order to calculate the pressure in a flask,...Ch. 18 - Write a program that will allow the user to type...Ch. 18 - Write a MATLAB program that will ask users to...Ch. 18 - Write a program that asks a user to enter, one at...Ch. 18 - Joules first law, also known as the Joule effect,...Ch. 18 - Create a proper plot of the following set of...Ch. 18 - Prob. 17ICACh. 18 - You want to create a graph showing the theoretical...Ch. 18 - The decay of a radioactive isotope can be...Ch. 18 - Create a proper plot of the theoretical voltage...Ch. 18 - Plot the following functions as assigned by your...Ch. 18 - Plot the following functions as assigned by your...Ch. 18 - If an object is heated, the temperature of the...Ch. 18 - The resistance of a typical carbon film resistor...Ch. 18 - Today, most traffic lights have a delayed green,...Ch. 18 - Cadmium sulfide (CdS) is a semiconducting material...Ch. 18 - Your supervisor has assigned you the task of...Ch. 18 - Three different diodes were tested: a constant...Ch. 18 - If a hot liquid in a container is left to cool,...Ch. 18 - You are an engineer working for M M / Mars...Ch. 18 - 1. The specific gravity of gold is 19.3. Write a...Ch. 18 - An unmanned X-43A scramjet test vehicle has...Ch. 18 - A rod on the surface of Jupiter's moon Callisto...Ch. 18 - The Eco-Marathon is an annual competition...Ch. 18 - Write a function and program to determine the mass...Ch. 18 - Prob. 6RQCh. 18 - You are part of an engineering firm on contract...Ch. 18 - Prob. 8RQCh. 18 - Prob. 9RQCh. 18 - When one tries to stop a car, both the reaction...Ch. 18 - Prob. 11RQCh. 18 - Prob. 12RQCh. 18 - Prob. 13RQCh. 18 - Prob. 14RQCh. 18 - Prob. 15RQCh. 18 - Prob. 16RQCh. 18 - Prob. 17RQCh. 18 - Prob. 18RQCh. 18 - Prob. 19RQCh. 18 - Prob. 20RQCh. 18 - Prob. 21RQCh. 18 - Prob. 22RQCh. 18 - Prob. 23RQCh. 18 - Prob. 24RQCh. 18 - Prob. 25RQCh. 18 - Prob. 26RQCh. 18 - Prob. 27RQCh. 18 - Prob. 28RQCh. 18 - Download the weekly retail gasoline and diesel...Ch. 18 - A sample of the data provided in the Microsoft...Ch. 18 - An Excel file named DartTosses.xlsx has one...
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