HW #2 Solutions
1) Law I: A particle remains at rest or continues to move with uniform velocity if there is no
unbalanced force action on it.
Law II: The acceleration of a particle is proportional to the vector sum of forces acting on it and
is in the dir
MEGR 2141: Statics Homework 8
" Jlem 1:
L-.ssify each of the structures shown as completely, partially, or improperly constrained; if completely
or improperly constrained, further classify as determinate or indeterminate. ALSO identify all
MEGR 2141: Statics Homework 5
UNc-Charlotte SOLUTION NLB
The members of a truss are pin connected All joint 0. y
Determine the magnitudes of F1 and F1 for equilibrium.
SCI 0 = an. 5 kN
43F, : (J: F: sin 70' + F. CO: 60" 5 (:05 3ll
MEGR 2141 Engineering Mechanics
Professor: Luke Savage
Email: [email protected]
Office Hours: By appointment
Statics introduces the principles of particle and rigid body mechanicals with engineering applications
Homework #2 Due 5/20
1) Describe Newtons 3 Laws in your own words and give examples of each.
2) Book Problem 1/6: From the gravitational law calculate the weight W (Gravitational force with
respect to the earth) of an 85-kg man in a spacecraft traveling i
Homework #1 Due 5/19
B= -i + 3j
Find the Magnitude of A and B.
Find the unit vectors of A and B.
Find the angle these vectors make with the positive x axis.
Find A+B. Draw the vector addition and give your result in component for
MEGR 2141: Statics Homework 4 Due Wed. Feb 10
UNCCharlotte Solution NLB
The force F has a magnitude of 2 141*! and is di-
rected from A to B. Calculate the projection Fm of
F onto line CD and determine the angle a between
F and CD.
The tension in the su
MEGR 2141: Statics
515 Determine the y-murdinate oithe centroid ofthc area
under the sine curve shown.
; y z a sin 3
y ,J/7 :9 5; ._
:4 I' ,5 x t "1 -
I .1! \ *
I ' r \x I
l - v I H 1
.4? u i y \
r' _: _ _ _, _ _ X