MIME 2300 Test 3
Sample
Name _______________________
Original Section (1 or 91) _____
In all the problems show all equations used with variables and then with values
substituted so partial credit can be given wherever possible.
Give units on all
answers and write only in the space provided.
On problems where appropriate,
draw coordinate systems, datums, and FBDs.
1 a) Give two examples of nonconservative forces for energy analysis (6 points)
1. b)
The disk shown is rolling on the ground.
What is the velocity of point A on the disk shown in the figure
below. (5 points)
1 c) Discuss I in the two equations
I
My
=
σ
and
α
=
I
T
.
(5 points)
1 d)
Define eccentric impact. (5 points)
1 e)
Of the basic methods that were studied for solving kinetic problems, what is the method that is not a vector
method? (5 points)
Page 1 of 6
1___________/26
2 __________/20
3 __________/20
4 __________/20
5 __________/20
6 __________/20
Total ________/126
r=1 ft
ϖ
=4 rad/s
α
=12 rad/s
2
A
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View Full Document2. The 2 kg bar is released from rest in the horizontal position,
θ
= 90º.
The stiffness of the spring is 20 N/m
and its unstretched length is 600 mm.
A couple, M
A,
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 Spring '08
 Gan
 Force, 2 kg, 1 ft, 1.2 m, 4 rad

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