University of Mumbai, Maharashtra (Mumbai University), Computer Engineering Semester 1, Engineering Mechanics Syllabus

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Unit - 3 Friction

Unit – 3

Friction

3.1 Revision of Static friction

3.2 Dynamic Friction If the value of applied force exceeds the limiting friction the body starts moving over the other body and the friction at resistance experienced by the body while moving is known as Dynamic friction.

3.3 Kinetic friction It’s defined as a force that acts between moving surfaces. A body moving on the surface experiences a force in the opposite direction of its movement. The magnitude of the force will depend on the coefficient of kinetic friction between the two materials.

3.4 Coefficient of friction It is experimentally found that the magnitude of limiting friction bears a constant ratio to the normal reaction between the two surfaces and this ratio is called Coefficient of friction. It is denoted by µ.

3.5 Angle of Friction Angle of friction is defined as the angle made between the normal reaction force and resultant force of normal reaction force and friction. If the force is small the static friction between the surfaces would prevent the block from moving.

3.6 Laws of friction Some laws of friction which may be grouped under the following heads.

3.7 Cone of Friction

3.8 Application of problems involving wedges and ladders

Unit - 1 System of Coplanar Forces & Resultant

Unit – 1

Forces

1.1 System of Coplanar forces

1.2 RESULTANT

Unit - 2 Equilibrium of System of Coplanar Forces and Beams

Unit2

Equilibrium

2.1 Equilibrium of System of Coplanar forces

2.2 Equilibrium of beam

Unit - 4 Kinematics of particles

UNIT 4

Kinematics of Particle

4.1 Motion of particle with variable acceleration

4.2 General curvilinear motion

4.3 Tangential Normal component of acceleration

4.4 Motion curves at vt st curves.

4.5 Application of concepts of projectile motion and related numerical

Unit - 5 Kinematics of rigid body

UNIT 5

Kinematics of Rigid Body

5.1 Translation Rotation and General Plane motion of rigid body

5.2 The concept of Instantaneous center of rotation ICR for the velocity

5.3 Location of ICR for 2 link mechanism

5.4 Velocity analysis of rigid body using ICR

Unit - 6 Kinetics of a particle

UNIT 6

Kinetics of a Particle

6.1 Force and Acceleration

6.2 Kinetics of a Particle Work and Energy

6.3 Kinetics of a Particle Impulse and Momentum

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Other Subjects of Semester-1
Engineering physics-1
Engineering chemistry-1
Engineering mathematics-1
Basic electrical engineering
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