Tagged Questions
3
votes
2answers
205 views
Bowling ball on a rubber sheet
After reading a layman's guide to general relativity, I began to wonder what shape a bowling ball on a large rubber sheet would produce. For simplicity, I would like to assume that Hooke's law applies ...
5
votes
1answer
214 views
Is this static mechanical balance possible without trickery?
On damnlol.com, I came across this picture:
http://www.damnlol.com/hello-god-i-have-a-fault-to-report-7549.html
My question is: Is this possible without glue? If not are there similar situations ...
3
votes
2answers
670 views
Formula for implementing a simulated weighing scale
Background:
I'm on the pledge drive committee for a non-profit group, and there is an issue that is always contentious within this group; thankfully the group is amicable, although competitive, about ...
1
vote
4answers
2k views
Upward force on a object at rest
Is there an upward force on a object at rest? If yes, where does it come from?
