Problem 1. (20 points total) Particles m1 and m2 perform rectilinear motion. In the absence of
the force P, m2 will slip down the wedge m1 with angle if and only if
m2 g sin s N s m2 g cos
tan s
In the present case,
tan 20 0.36 0.3 s
Thus block m2 will s
ME104: Engineering Mechanics II
Summer Sessions 2016
Homework Solutions for
Homework 7
Prepared by Oliver M. OReilly
([email protected])
These solutions are not to be posted on websites other than bcourses without the
expressed written permission of Ol
ME104: Engineering Mechanics II
Summer Sessions 2016
Homework Solutions for
Homework 15
Prepared by Oliver M. OReilly
cfw_oreillgberkgleredul
These solutions are not to be posted on websites other than bcourses without the
expressed written permission of
MElO4: Engineering Mechanics 11
Summer Sessions 2016
Homework Solutions for
Homework 1
Prepared by Oliver M. OReilly
[Mllgherkelegedul
These solutions are not to be posted on websites other than beourses without the
expressed written permission of Oliver
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ME104: Engineering Mechanics II
Summer Sessions 2016
Sample Homework Solutions for
Week 1
Problems are from 5, 6, and 7th Editions of
Meriam and Kraige
Prepared by Oliver M. OReilly
cfw_oreighgrkelegedu
These sample problems and their solutions are not to
ME104: Engineering Mechanics II
Summer Sessions 2016
Sample Homework Solutions for
Week 4
Problems are from 5th, 6th, and 7th Editions of
Meriam and Kraige
Prepared by Oliver M. OReilly
([email protected])
These sample problems and their solutions are
ME104: Engineering Mechanics II
Summer Sessions 2016
Homework Solutions for
Homework 8
Prepared by Oliver M. OReilly
([email protected])
These solutions are not to be posted on websites other than bcourses without the
expressed written permission of Ol
ME104: Engineering Mechanics II
Summer Sessions 2016
Homework Solutions for
Homework 9
Prepared by Oliver M. OReilly
reill rk I
These solutions are not to be posted on websites other than beourses without the
expressed written permission of Oliver OReilly
ME104: Engineering Mechanics II
Summer Sessions 2016
Homework Solutions for
Homework 11
Prepared by Oliver M. OReilly
(mIQLHBMeleX-cduj
These solutions are not to he posted on websites other than beonrses without the
expressed written permission of Oliver
ME104: Engineering Mechanics 11
Summer Sessions 2016
Homework Solutions for
Homework 10.
Prepared by Oliver M. OReilly
cfw_greillg herkelegxdu l
These solutions are not to be posted on websites other than bcourses without the
expressed written permission
ME104: Engineering Mechanics 11
Summer Sessions 2016
Homework Solutions for
Homework 14
Prepared by Oliver M. OReilly
([email protected]
'l'hese solutions are not to be posted on websites other than heourses without the
expressed written permission of O
ME104: Engineering Mechanics 11
Summer Sessions 2016
Homework Solutions for
Homework 2
Prepared by Oliver M. OReilly
MW
These solutions are not to be posted on websites other than bcourses without the
expressed written permission of Oliver OReilly Pto'bcm
ME104: Engineering Mechanics 11
Summer Sessions 2016
Homework Solutions for
Homework 12
Prepared by Oliver M. OReilly
(mbeerkelcmtm
These solutions are not to he posted on websites other than lieourses without the
expressed written permission of Oliver OR
ME104: Engineering Mechanics 11
Summer Sessions 2016
Homework Solutions for
Homework 16
Prepared by Oliver M. OReilly
reill @b rkele .eclu
These solutions are not to be posted on websites other than bcourses without the
expressed written permission of Oli
ME104
S. Morris
1
Solutions set 2
Numerical answers are at the back of the text.
1. Choose the origin O to be fixed in the ground, immediately below the point
B of release. The parcel is released at B(0, z0 ) with z0 = 100m at velocity
having components z
ME40 (Thermodynamics)
Fall 2015
HW9 (Due Wednesday 10/21/15 @ 3PM)
PROBLEM 1 (Chapter 9-39)
The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression
process, the air is at 100 kPa, 35C, and 600 cm3. The temperature a
ME40 (Thermodynamics)
Fall 2015
HW14 (Due Wednesday 12/2/15 @ 3PM)
PROBLEM 1 (Chapter 14)
A room contains air at 20C and 98 kPa at a relative humidity of 85%. Determine a) the
partial pressure of dry air, b) the specific humidity, and c) the enthalpy per
ME40 (Thermodynamics 2015)
HW 13 (Due Wednesday 11/18/15 @ 3PM)
PROBLEM 1 (Chapter 13)
A gas mixture consists of 5 kmol of H2 and 4 kmol of N2. Determine the mass of each gas
and the apparent gas constant of the mixture. (ANSWERS: 10 kg, 112 kg, 0.613 kJ/
University of California, Berkeley
Department of Mechanical Engineering
ME 104, Fall 2016
Homework 4 (due in class on Fri, 23 Sep 2016)
Recall that in the cylindrical coordinate system, the position vector, velocity, and acceleration of a particle may be
University of California, Berkeley
Department of Mechanical Engineering
ME 104, Fall 2013
Homework 12 (due Fri, 2 Dec 2016)
PART A: DYNAMICS OF A RIGID BODY ROTATING ABOUT A FIXED AXIS
Consider a 3-dimensional rigid continuum B of mass m (> 0) rotating ab
University of California, Berkeley
Department of Mechanical Engineering
ME 104, Fall 2016
Homework 11 (due in class on 28 Nov 2016)
For a rigid body B moving in a Newtonian space, with origin O, Eulers balance laws require
that
= m
F=G
a,
O
MO = H
(1)
Fu
University of California, Berkeley
Department of Mechanical Engineering
ME 104, Fall 2016
Homework 7 (due in class on Mon, 17 Oct 2016)
Recall that the work done during an interval of time by a force f acting on a particle B
having a velocity v is
t1
f dr