Contents

1. Simple Machines

1. Introduction

2. Definition

3. Load Lost in Friction and Effort Lost in Friction

4. Analysis

5. Velocity Ratio for Simple Machines

Solved Examples

2. Force Systems

1. Fundamentals

2. FORCE

3. Force System

4. Resolution of a Force

Solved Examples

5. Moment of a Force

Solved Examples

3. Composition of Forces

1. Introduction

2. Resultant Force

3. Analytical Method

Solved Examples

4. Graphical Method

Solved Examples

4. Equilibrium

1. Introduction

2. Analytical Condition of Equilibrium

2. Lami’s Theorem

3. Equilibrant

4. Beams

5. Graphical Method for Solving Equilibrium Problems

6. Graphical Conditions of Equilibrium

Solved Examples

5. Friction

1. Introduction

2. Equilibrium of Bodies on Level Plane, External Force Applied is Horizontal (Pull and Push)

Solved Examples

3. Ladder Friction

6. Centroid and Centre of Gravity

1. Introduction

2. Centroid (C or C.G.)

3. Centre of Gravity (C.G. OR G)

4. Centroid Vs Centre of Gravity

5. Centroid and Areas of Basic Geometric Figures

Solved Examples

6. Centroid of Composite Geometrical Figures

Solved Examples

7. Centre of Gravity (C.G.)

8. Centre of Gravity of Simple Solids

Solved Examples

9. Center of Gravity of Composite Solid