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Assignment 1

1) The document contains an assignment for an Engineering Mechanics course with 7 questions covering key concepts like classification of engineering mechanics, forces and force systems, resolution of forces, moments, equilibrium, friction, and their practical applications. 2) Students are asked to define key terms, calculate values like force resultants and coefficients of friction, and describe principles such as Lami's theorem using given force and system configurations. 3) The assignment is intended to assess students' understanding of fundamental engineering mechanics concepts and their ability to apply analytical methods to solve related problems.

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58 views2 pages

Assignment 1

1) The document contains an assignment for an Engineering Mechanics course with 7 questions covering key concepts like classification of engineering mechanics, forces and force systems, resolution of forces, moments, equilibrium, friction, and their practical applications. 2) Students are asked to define key terms, calculate values like force resultants and coefficients of friction, and describe principles such as Lami's theorem using given force and system configurations. 3) The assignment is intended to assess students' understanding of fundamental engineering mechanics concepts and their ability to apply analytical methods to solve related problems.

Uploaded by

Faizan Ali Junejo
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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MEHRAN UNIVERSITY OF ENGINEERING & TECHNOLGY, JAMSHORO

DEPARTMENT OF CIVIL ENGINEERING


Subject: Engineering Mechanics (CE116) Batch: 21CE (C+D)
ASSIGNMENT 01 (CLO-I)
Dated: 21-02-2022 Maximum Marks = 05
Q No: 01
(i) Define Engineering Mechanics and its classification. State the practical
application of Engineering Mechanics in Daily Life.

(ii) Define Force and force system, along with the practical examples of force
systems.
Q No: 02
Find the magnitude of the two forces, such that if they act at right angles, their
resultant is 10 N. But if they Act at 60°, their resultant is 13 N.
Q No: 03
Define law of resolution of force.
Find the magnitude and direction of the resultant of the concurrent forces of 8 N,
12 N, 15 N and 20 N making angles of 30°, 70°, 120° and 155° respectively with
a fixed line.
Q No: 04
Find the resultant of the following two forces P and Q as shown in figure 01. Also
find the angle which the resultant makes with the P by using Parallelogram law.

Figure-01
Q No: 05
Define Moment, principle of moment and principle of Transmissibility.
A uniform plank ABC of weight 30 N and 2 m long is supported at one end A
and at a point B 1.4 m from A as shown in Figure 02. Find the maximum weight
W, that can be placed at C, so that the plank does not topple

Figure-02
Q No: 06
Define Equilibrium of forces and Discuss Lami’s Theorem.
Three forces acting on a particle are in equilibrium. The angles between the first
and second is 90° and that between the second and third is 120°. Find the ratio of
the forces.
Q No: 07
(i) Define Friction and its types. Also Discuss the law of static friction and
dynamic friction.
(ii) A body of weight 50 N is hauled along a rough horizontal plane by a pull
of 18 N acting at an angle of 14° with the horizontal. Find the coefficient of
friction.

(iii) A force of 250 N pulls a body of weight 500 N up an inclined plane, the
force being applied parallel to the plane. If the inclination of the plane to the
horizontal is 15°, find the coefficient of friction.

(iv) A load of 500 N is lying on an inclined plane, whose inclination with the
horizontal is 30°. If the coefficient of friction between the load and the plane is
0.4, find the minimum and maximum horizontal force, which will keep the load
in equilibrium.

Date of Submission = 7th March 2022.

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