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Chapter 2: Force by Mind Map: Chapter 2: Force
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Chapter 2: Force

Newton's Laws

1st Law

Law of Inertia

2nd Law

Force vector = mass scalar x acceleration vector

3rd Law

Interaction Pairs, Equal and Opposite Reactions, same magnitude, in different directions

4th Law

Law of Universal Gravitation

Vectors

Magnitude

Direction

F = ma

a push or pull

Types of Forces

Contact Force

exist only when two objects are touching

Normal Force, perpendicular to contact surfaces

Friction, parallel to contact surfaces

Long-Range Force

does not require touching

Gravitational Force, weak fundamental force

Electromagnetic Force

Net Force

the vector sum of all forces acting on an object

Free-Body Diagrams

Equilibrium

Translational Equilibrium

net force on an object is zero

balance of forces

Internal Force

External Force

Pulleys

Tension

Diagrams

Step

Polar