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.

An image that illustrates light reflecting off a plain mirror.

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.

This unit is about how things move along a straight line or, more scientifically, how things move in one dimension. Examples of this would be the movement (motion) of cars along a straight road or of trains along straight railway tracks.

Basic primer on Newton's First Law of motion.