Tutorial 8
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:30 am
Note: Each question carries 10 Marks
Q1.A particle starts (t = 0) to descend from point A and has to travel along the straight line AB (figure
below). The velocity along the pat
Rigid Body Equilibrium
Support Reactions
Prevention of
Translation or
Rotation of a body
Restraints
ME101 - Division III
Kaustubh Dasgupta
1
Rigid Body Equilibrium
Various Supports
2-D Force Systems
ME101 - Division III
Kaustubh Dasgupta
2
Rigid Body Equi
Rectangular Components in Space
Vector F is
contained in the
plane OBAC
Resolve F into
horizontal and
vertical
components.
Fy F cos y
Fh F sin y
ME101 - Division III
Kaustubh Dasgupta
Resolve Fh into
rectangular
components
Fx Fh cos
F sin y cos
Fz F
Tutorial 11
ME101: Engineering Mechanics
Note: This is an open book and open notes exercise. While students can consult tutors
and TAs, consultaion among students during tutorials is discouraged.
1) Link OA has a constant counter-clokwise angular velocity
Beams Internal Effects
Method of Section:
Internal Force Resultants at B Section a-a at B and use
equilibrium equations in both cut parts
ME101 - Division III
Kaustubh Dasgupta
1
Beams Internal Effects
Sign Convention
Positive Axial Force creates Tension
Structural Analysis: Space Truss
Space Truss
- 6 bars joined at their ends to form the edges of
a tetrahedron as the basic non-collapsible unit
- 3 additional concurrent bars whose ends are
attached to three joints on the existing structure
are required t
Frames and Machines
Interconnected Rigid Bodies with Multi-force Members
Rigid Non-collapsible
structure constitutes a rigid unit by itself
when removed from its supports
first find all forces external to the structure treated as a single rigid body
then
A Brief Introduction to Trusses
Julian J. Rimoli
School of Aerospace Engineering
Georgia Institute of Technology
Trusses are one of the most widely adopted structural designs, many times being
utilized as the struct
Mechanics: Scalars and Vectors
Scalar
Only magnitude is associated with it
e.g., time, volume, density, speed, energy, mass etc.
Vector
Possess direction as well as magnitude
Parallelogram law of addition (and the triangle
law)
e.g., displacement,
ME101 (Division III) webpage
Lecture Slides available on
http:/www.iitg.ernet.in/kd/me101.htm
Also available on:
http:/shilloi.iitg.ernet.in/~kd/me101.htm
Equivalent Systems: Resultants
Equilibrium
Equilibrium of a body is a condition in which the
resulta
Tutorial 7
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
Q1. A homogeneous hemisphere of radius r is placed on an incline as shown in Figure 1. Assuming that
friction is sufficient to prevent slipp
ME101: Engineering Mechanics
IIT Guwahati
1
Tutorial 6
18th of February, 2015
Problem 1
10 points
Consider the semicircular area and X-Y coordinate axes shown in figure (1). FromR basic definitions
and integration,
find (i) the coordinates of the centroid
MEIDI: Ehigjriem'ing Mechanice
Tutorial 5
11 of Eebruanr, 3:15
cfw_1 Amountein cli1:l:lheroft-weightWr hange Ereelyeuependedhy oneropethet ie
Eastenedat oneendtothechrnbme' Heist, 1wrapped onehalftum about eeernieirculer
rock with = [1-2, and held at the
ME101: Engineering Mechanics
1
IIT Guwahati
Tutorial 4
4th of February, 2015
Note:
1) Please submit your answer sheets within the stipulated time. To avoid unfair advantage, tutors will not consider
the answer papers submitted after stipulated time.
2) Pe
Tutorial 3
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
Q1. Determine the forces in the members AB, AC and AD of the space truss in Fig. 1. Point M is
the centroid of triangle BCD.
z
A
4 kN
m
3m
m
Tutorial 10
ME101: Engineering Mechanics
Note: This is an open book and open notes exercise. Consultaion among students during
tutorials is discouraged
1) A ball is thrown at an inclined wall. Just before the impact on the wall, the ball
has a height of 1
Tutorial 2
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
Q1. The 20 kg homogeneous smooth sphere rests on two inclines as shown in Fig. 1. Determine
the contact forces at A and B.
Fig. 1
Fig. 2
Q2.
Tutorial 9
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
Q1. In Fig. 1, pin c is attached to rod BC and slides freely in the slot of rod OA which rotates at
the constant rate . At the instant when
Tutorial 1
ME101 (Engineering Mechanics) 2014-2015 Sem II
Vectors and Force Resultants
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
Q1. Figure 1 shows a thin rectangular plate subjected to four loads. Determine the equivalent force
couple sys
Lubricants & greases manufacturing plants
Optimize and improve your performance
International technology provider
Design, engineering and supply of lubricants and greases manufacturing plants
With over 50 years of blending experience, in both new
and reva