DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Chapter 41, Problem 20RQ
To determine
The cost usually included in the overhead cost.
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The 150-lb skater passes point A with a speed of 6 ft/s.
(Figure 1)
Determine his speed when he reaches point B. Neglect friction.
Determine the normal force exerted on him by the track at this point.
25 ft
B
= 4x
A
20 ft
x
A virtual experiment is designed to determine the effect of friction on the timing and speed
of packages being delivered to a conveyor belt and the normal force applied to the tube.
A package is held and then let go at the edge of a circular shaped tube of radius R = 5m.
The particle at the bottom will transfer to the conveyor belt, as shown below.
Run the simulations for μ = 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 and determine the time and speed at
which the package is delivered to the conveyor belt. In addition, determine the maximum
normal force and its location along the path as measured by angle 0.
Submit in hardcopy form:
(0) Free Body Diagram, equations underneath, derivations
(a) Your MATLAB mfile
(b) A table listing the values in 5 columns:
μ, T (time of transfer), V (speed of transfer), 0 (angle of max N), Nmax (max N)
(c) Based on your results, explain in one sentence what you think will happen to the
package if the friction is increased even further, e.g. μ = 0.8.
NOTE: The ODE is…
Patm = 1 bar
Piston
m = 50 kg
5 g of Air
T₁ = 600 K
P₁ = 3 bar
Stops
A 9.75 x 10-3 m²
FIGURE P3.88
Chapter 41 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 41 - What are the major functional elements or...Ch. 41 - Here are some questions about the route sheet:...Ch. 41 - What is a process flow chart? How is it related to...Ch. 41 - Prob. 4RQCh. 41 - Prob. 5RQCh. 41 - What is MRP and how is it related (tied to) the...Ch. 41 - Prob. 7RQCh. 41 - Prob. 8RQCh. 41 - Prob. 9RQCh. 41 - Prob. 10RQ
Ch. 41 - Prob. 11RQCh. 41 - Prob. 12RQCh. 41 - Suppose that the part in Figure 41.6 was to be...Ch. 41 - Construct a route sheet and an operations sheet...Ch. 41 - Prob. 15RQCh. 41 - Prob. 16RQCh. 41 - Prob. 17RQCh. 41 - Why does a factory need operations sheets?Ch. 41 - Prob. 19RQCh. 41 - Prob. 20RQCh. 41 - Prob. 21RQCh. 41 - The classic manufacturing systems are controlled...Ch. 41 - Compare your college or university to a...Ch. 41 - Prob. 3P
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