Introduction

1. Introduction 49"

2. What is force? 5'05"

3. Effects of force 3'15"

4. Types of force 6'29"

5. Magnetic field and force 5'52"

6. Gravity 3'11"

Free body diagrams

1. Introduction 4'58"

2. Free body diagrams: Worked Examples 3'49"

Balanced and unbalanced forces

• How balanced and unbalanced forces affect motion 2'21"

• Balanced and unbalanced forces: Explanation and real-life examples 2'35"

Normal force

1. Normal force 4'40"

Friction force

1. Friction force 7'53"

2. Calculating friction force: Introduction 3'18"

3. Calculating friction force: Worked examples 7'23"

Newton's Laws of Motion

• Newton's Laws 11'03"

Single object on horizontal plane with friction:

1. Strategy 11'06"

2. Solution 3'35"

Single object on inclined plane with friction:

1. Strategy 5'58"

2. Solution 2'37"

System of objects on horizontal frictionless plane:

• System of objects on horizontal frictionless plane: 11'51"

System of objects on horizontal plane with friction:

1. Strategy 9'37"

2. Solution 5'58"

Newton's Third Law

• The Rocket Balloon and Newton's Third Law 8'02"