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What are people interpreting a "Self-limiting-brake" to be? Would this consider things such as parachutes to be brakes?

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...

Do the 1 pint containers have to be empty, or can they contain things to help sort the mixture? e.g. a magnet.

Must the entire cord be elastic, or just the bottom meter?

Store bought clocks are allowed this year, aren't they?

Yes, sorry. I was mainly talking about the adjustment part. Thank you though.

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?

What would an example of a dishonest attempt to utilize a compound lever be?

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?

I used to leave them out to dry, but recently I've covered them with plastic wrap so that nothing gets messed up.

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...