Khan Academy: Balanced and Unbalanced Forces

Video lesson serves as a primer on identifying balanced and unbalanced forces. [8:11]

Students study several free-body diagrams to better understand balanced and unbalanced forces.

Video lecture explores what is true about how unbalanced forces relate to motion and acceleration. [6:36]

A tutorial about solubility of salt and gas solutes in liquid solvent. [13:22]

A video lecture giving an overview of the four fundamental forces of the universe. Learn about gravity, weak interactions, electromagnetic force and strong force. [10:29]

Light and electromagnetic radiation are introduced by Khan Academy. [9:37]

Khan Academy presents the rules and processes of naming alkanes and cycloalkanes. [12:34]

An explanation of the differences between macrostates and microstates in regards to thermodynamic equilibrium. [18:30]

Scientists use many different kinematic representations of motion. Review each of them with the help of an engaging interactive that is part of a larger series on Newton's laws of motion. The resource provides three levels of challenge...

Solubility of salt and gas solutes in liquid solvent. [4:23]