Simple Machines B/Compound Machines C

SKRILLEX18 · Post by **SKRILLEX18** » Tue Jan 14, 2014 12:59 pm

anybody have any ideas on how to teach Simple machines history to 6th and 7th graders

Sciolapedia · Post by **Sciolapedia** » Tue Jan 14, 2014 3:29 pm

The mass was 514 g for those who wanted to know

helicpters_rule · Post by **helicpters_rule** » Tue Jan 14, 2014 4:38 pm

Is that the unknown mass if so do you know the known mass.

SpartyMavs · Post by **SpartyMavs** » Tue Jan 14, 2014 9:10 pm

olympiaddict wrote:IMA = force out/force in.

Isn't force out/force in the equation for AMA, not IMA?

chinesesushi · Post by **chinesesushi** » Tue Jan 14, 2014 10:24 pm

treeling · Post by **treeling** » Wed Jan 15, 2014 9:08 am

SpartyMavs wrote:
olympiaddict wrote:IMA = force out/force in.
Isn't force out/force in the equation for AMA, not IMA?

Yep.

polim · Post by **polim** » Sat Jan 18, 2014 1:26 pm

In your experience, what are some good and inexpensive materials for making a lever?

chinesesushi · Post by **chinesesushi** » Sat Jan 18, 2014 1:33 pm

hardwood

SWAnG · Post by **SWAnG** » Sat Jan 18, 2014 11:45 pm

So people have been saying things about an adjustable fulcrum, how are most people making it this way?

SWAnG · Post by **SWAnG** » Sat Jan 18, 2014 11:53 pm

treeling wrote:
SpartyMavs wrote:
olympiaddict wrote:IMA = force out/force in.
Isn't force out/force in the equation for AMA, not IMA?
Yep.

Ya, IMA is Distance input/Distance output

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