weight
Dot Physics
Tag archives for weight
Torque produced by balls in Fantastic Contraption
Posted by Rhett Allain on October 26, 2008
(1)
The fun part about exploring the physics of [Fantastic Contraption](http://fantasticcontraption.com/) is coming up with new setups to test ideas. Torque is not too difficult to set up. Here is what I did:  In this setup, I have a “turning ball” with a wood stick attached to the side. I increased the length of…
Gravity, Weightlessness, and Apparent Weight
Posted by Rhett Allain on September 23, 2008 In my classes, I like to bring up the question: *Why do astronauts float around in space?* The most common response to this question is that they float around because there is no gravity in space. Some people take this a small step further and say that there is no gravity in space because there…