Forces

1. Newton's Laws of Motion

1.1. 1st Law: Law of Inertia

1.2. 2nd Law: Law of Acceleration

1.3. 3rd Law: Law of Equal and Opposite

2. Force is a push or pull acting on a body, and is capable of changing an object's state of motion.

3. Forces cannot be seen; but the effect is visible.

4. Types of Forces

4.1. Contact

4.1.1. Frictional

4.1.2. Applied

4.1.3. Air Resistance

4.2. Non-Contact

4.2.1. Gravitational

4.2.2. Magnetic