Integrated Publishing
Integrated Publishing: The Wheel & Axle
A solid chapter explanation of the wheel & axle simple machine. Examples, the basic math, explanation of mechanical advantage, drawings, solved problem. Use the Next button. There are four pages in this chapter.
Tech Target
What Is: Resistance
A short summary of resistance and how it is measured. Including information on AC and DC.
Department of Defense
Do Dea: Resistance Proportional to Velocity
Resistance to forward movement will be proportional to the velocity of the object. That relationship can be expressed by an equation that you can learn about on this page. Great review for the AP Calculus test!
Science4Fun
Science4 Fun: What Is Friction
What is friction? Illustrated discussion of friction including the three types, its importance, and why it is avoided.
Science4Fun
Science4 Fun: Ohm's Law
Brief explanation of Ohm's Law which provides the relationship between current, voltage, and resistance.
Science4Fun
Science4 Fun: Voltage, Current, and Resistance
Illustrated explanation of voltage, current, and resistance and the relationship between them.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Ohm's Law?
Explains Ohm's Law which is the mathematical relationship between electric current, resistance, and voltage.