Results

What is the acceleration due to gravity at the space station.

Applying Newton's first law to answer some true/false statements about why objects move (or not).

Why do astronauts appear weightless despite being near the Earth?

Figuring out the acceleration of ice down a plane made of ice.

Basics of gravity and the Law of Universal Gravitation.

In this online lesson you will learn how to compare measurements that have different units.

In this unit you will learn how to convert between common metric units of measure.

An elaboration on how to use Newton's second law when dealing with multiple forces, forces in two dimensions, and diagonal forces.

An elaboration on some of the common misconceptions in dealing with Newton's Third Law. He also shows how to correctly and reliably identify Third Law force pairs.