Tagged Questions
5
votes
5answers
790 views
The Z-Torque: how can it be shown intuitively that it does not work?
There is a new kickstarter project that claims to increase torque and power compared to a normal crank on a bicycle (Z-Torque on kickstarter). If this patented (US Patent Number 5899119) approach ...
11
votes
4answers
1k views
How can I measure the mass of the earth at home?
How can I measure the mass of the earth at home?
How was the mass of the earth first measured?
12
votes
9answers
938 views
What are good mechanics experiments for 10 year olds? [closed]
I'm trying to explain elementary mechanics - without the benefits of calculus or even algebra - and struggling. I'd like to find reasonable ways to demonstrate Newton's laws, minimally, and possibly ...
