Search found 91 matches
- November 3rd, 2013, 7:15 am
- Forum: 2014 Build Events
- Topic: Bungee Drop C
- Replies: 96
- Views: 29272
Re: Bungee Drop C
What are people interpreting a "Self-limiting-brake" to be? Would this consider things such as parachutes to be brakes?
- November 2nd, 2013, 5:28 am
- Forum: 2014 Study Events
- Topic: Simple Machines B/Compound Machines C
- Replies: 196
- Views: 54330
Re: Simple Machines B/Compound Machines C
In the Compound Machines Event, can the fulcrum points of the two levers and the connection point between the two levers be changed while measuring of the unknown mass? I believe that section 4.b.v.of the rules says you are allowed. The rules say that all reference materials must be in a 3-ring bin...
- October 9th, 2013, 6:16 pm
- Forum: 2014 Build Events
- Topic: Mission Possible C
- Replies: 554
- Views: 79279
Re: Mission Possible C
Do the 1 pint containers have to be empty, or can they contain things to help sort the mixture? e.g. a magnet.
- October 9th, 2013, 6:11 pm
- Forum: 2014 Build Events
- Topic: Bungee Drop C
- Replies: 96
- Views: 29272
Re: Bungee Drop C
Must the entire cord be elastic, or just the bottom meter?
- October 7th, 2013, 2:29 pm
- Forum: 2014 Build Events
- Topic: Mission Possible C
- Replies: 554
- Views: 79279
Re: Mission Possible C
Store bought clocks are allowed this year, aren't they?
- September 22nd, 2013, 5:09 pm
- Forum: 2014 Build Events
- Topic: Mission Possible C
- Replies: 554
- Views: 79279
Re: Mission Possible C
Yes, sorry. I was mainly talking about the adjustment part. Thank you though.
- September 22nd, 2013, 4:37 pm
- Forum: 2014 Build Events
- Topic: Mission Possible C
- Replies: 554
- Views: 79279
Re: Mission Possible C
As per rule 3.j., if the time waster was mechanical, not utilizing electricity, and it pressed down on a switch to complete a circuit, which is electrical, would this be a violation?
- September 8th, 2013, 1:53 pm
- Forum: 2014 Study Events
- Topic: Simple Machines B/Compound Machines C
- Replies: 196
- Views: 54330
Re: Simple Machines B/Compound Machines C
What would an example of a dishonest attempt to utilize a compound lever be?
- January 31st, 2013, 6:28 pm
- Forum: 2013 Lab Events
- Topic: Keep the Heat B/Thermodynamics C
- Replies: 494
- Views: 77453
Re: Keep the Heat B/Thermodynamics C
I used to leave them out to dry, but recently I've covered them with plastic wrap so that nothing gets messed up.135scioly wrote: About the cotton balls, does anyone else's get wet after testing? If this does happen, do you leave them to dry or replace them?
- January 10th, 2013, 3:38 pm
- Forum: 2013 Lab Events
- Topic: Keep the Heat B/Thermodynamics C
- Replies: 494
- Views: 77453
Re: Keep the Heat B/Thermodynamics C
In the Rules it state any of the flowing materials are prohibited...all foam ( plastic, metal, expanable glue, etc.) does this mean no metal or no metal foam? It has been mentioned before on this thread that the "plastic, metal, expandable glue, etc." only applies to foams. You may use me...