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Lesson 1 of 19 • 7 upvotes • 14:24mins

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Pritesh Singh

Introduction to Engineering Mechanics. List of topics to be discussed in future lectures. Overview of some numericals and interview questions to develop the interest of students in the subject.

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1

Course overview

14:24mins

2

Parellelogram law of vectors. Moment of force. Concepts and numericals

14:14mins

3

Resolution of force in plane and space. Varignon's theorem and lami's theorem concepts.

13:59mins

4

Lami's theorem, converse law of traingle and polygon force, 3 and 2 force equilibrium principle. FBD

14:38mins

5

Numericals : Equilibrium, FBD, lami's theorem, resolution of force in plane

14:40mins

6

Concepts of Friction: Definition, laws of dry friction, angle of limiting friction and repose.

11:22mins

7

Friction numericals: It's direction, Use of Lami's theorem. Relation between DOF and equilibrium eq.

14:54mins

8

Belt friction concepts and numericals.

12:17mins

9

Dynamics: Rectilinear motion concepts and numericals

14:43mins

10

Projectile motion , fixed axis rotation

13:44mins

11

Numericals: Fixed axis rotation, projectile motion. Concept D Alembert Principle.

12:51mins

12

Numericals: D Alembert's Principle

12:56mins

13

Numericals D Alembert's Principle for rotation, vertical circular motion of ball attached to string.

14:06mins

14

Motion of object attached to string in horizontal plane. Radial and traverse velocity. W-E principle

12:35mins

15

Work energy principle. Impulse momentum principle, conservation of momentum

13:10mins

16

Numericals conservation of linear and angular momentum. Concepts:Collision in 2 dimension.

14:08mins

17

Collision of body with fixed plane Virtual work. Pulley mass system

14:24mins

18

Structure: Truss and frames. Pulley mass system numerical.

13:19mins

19

Truss: method of joints, methods of section. Null members. Frames Numericals

14:32mins

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