ME240 HW #5
Assigned: Feb 13th, Friday
Due: Feb, 20th, Friday, at the beginning of class
Problem 1 (3/181)
Freight car A with a gross weight of 150,000 lb is moving along the horizontal track in a switching yard at 2 mi/hr. Freight
car B with a gross weig
ME240 HW #7
Assigned: Feb 28th
Due: Mar, 13th, Friday, at the beginning of class
Problem 1 (5/80)
For the instant represented, crank OB has a clockwise angular velocity = 0.8 rad/sec and is passing the horizontal position.
Determine the corresponding velo
ME240 HW #7 (OPTIONAL)
Note: These extra practice problems are optional and will not be graded.
Problem 1 (5/183)
The Geneva wheel of Prob. 5/56 is shown again here. Determine the angular acceleration 2 of wheel C for the instant
when = 20. Wheel A has a
* Please refer Appendix
Plot
0.4
0.35
y(r*sin(theta)[m]
0.3
0.25
0.2
0.15
0.1
0.05
0
-1
-0.8
-0.6
-0.4
-0.2
x(r*cos(theta)[m]
0
0.2
0.4
Note) theta = vt/r time
Why does the vr increase with time in the absence of radial force? Because r(t) increases with
ME240 HW #6 (OPTIONAL)
Note: These extra practice problems are optional and will not be graded.
Problem 1 (5/13)
In order to test an intentionally weak adhesive, the bottom of the small 0.3-kg block is coated with
adhesive and then the block is pressed on
ME 240: Dynamics and Vibrations
Computer Assignment 1 1
Assigned date: Friday, September 26
Due date: Friday, October 17 (in class)
1- Introduction
The purpose of this assignment is to help students understand how computers can be used
to solve (real-life
ME 240 HW#11 (Due 12/10)
Hint: Take the instant position as shown in the figure as the equilibrium.
Hint: The equilibrium is when the rod is horizontal, as shown in the figure. And
the system starts from equilibrium
Hint: The equilibrium is the initial po
ME 240 HW#10 (Due 12/01)
Hint: Dont use energy method. Instead, sum the moments about point O. Assume that the springs remain
horizontal (justify using small angle approximations).
Par$cleKine$cs
(Force,Mass,Accelera$on,Momentum,Impulse)
Solution Strategy:
1. Draw a Free-Body Diagram.
2. Choose a coordinate system.
3. Dene all force vectors.
4. Specify the acceleration vector.
5. Write components of Newtons 2nd Law.
Re-read the ques
ME 240-001: Dynamics & Vibrations
Exam I
I have never given nor received aid on this examination, nor have I concealed any violation of the Honor Code.
Please PRINT your name clearly and SIGN above this line.
Problem 1. (25 points) The fixed horizontal gu
ME240 Homework #8
Assigned: Friday, 13 April 2015.
Due: Friday, 20 April 2015, at the beginning of class.
Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
w
L
ME240 HW #5 (OPTIONAL)
Note: These extra practice problems are optional and will not be graded.
Problem 1 (3/258)
The two cars collide at right angles in the intersection of two icy roads. Car A has a mass of 1200 kg and car B has a mass
of 1600 kg. The c
ME240 Homework #3
Assigned: Friday, 23 January 2015.
Due: Friday, 30 January 2015, at the beginning of class.
Problem 1
1/6
Problem 2
2/6
Problem 3
3/6
Problem 4
4/6
Problem 5
5/6
Problem 6
Photo and Description Assignment.
Take a photograph of any object
ME240 HW #6 Optional Solution
Problem 1 15(13I
In order to test an intentionally weak adhesive, the bottom of the small 0.3-kg block is coated with adhesive and then the block
is pressed onto the turntable with a known force. The turnable starts from rest
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