Unit 2: Forces and Interactions

In this Unit, students learn about the following basic physical science concepts of forces and motion that explain everyday actions here on Earth and into the very outer confines of the Universe!

Chapters 10, 21, 22: Forces and Interactions

Gravity

10.1 Force

10.6 Gravity

10.7 Newton's Law of Gravitation

10.8 Einstein and Gravity

10.9 Acceleration due to Gravity

10.10 Projectile Motion

10.11 Orbital Motion

Electricity

20.1 Electric Charge

20.2 Electric Fields

20.3 Transfer of Electric Charge

20.4 Static Electricity

20.5 Electric Current

20.9 Electric Conductors and Insulators

Magnets

21.1 Magnet

21.2 Ferromagnetic Materials

21.3 Earth as a Magnet

21.5 Why Earth is a Magnet

21.6 Using Earth's Magnetic Field

Electromagnetism

22.1 Electromagnetism Overview

22.2 Discovery of Electromagnetism

22.3 Solenoid

22.4 Electromagnet

22.5 Electromagnetic Devices

22.6 Electromagnetic Induction

22.7 Generator

22.9 Electrical Grid

Other Physical Phenomena - Motion and Acceleration

4.1 Motion

4.4 Speed

4.6 Velocity

4.7 Acceleration

4.8 Calculating Acceleration

4.21 Newton's 1st Law of Motion

4.22 Inertia

4.23 Newton's 2nd Law of Motion

4.24 Calculating Acceleration from Mass and Force

4.26 Newton's 3rd Law

4.10 Force

4.11 Combining Forces

4.12 Friction

4.14 Gravity

4.15 Newton's Concept of Gravity

4.16 Einstein's Concept of Gravity

4.17 Acceleration due to Gravity