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Tue Mar 14, 2017, 11:05 AM

What's heavier? 1kg of steel or 1kg of feathers.

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17 replies, 530 views

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Reply What's heavier? 1kg of steel or 1kg of feathers. (Original post)
Daves Not Here Man Mar 2017 OP
MumblyPeg Mar 2017 #1
Daves Not Here Man Mar 2017 #2
MumblyPeg Mar 2017 #3
Gamle-ged Mar 2017 #6
def_con5 Mar 2017 #4
Gamle-ged Mar 2017 #7
Tovera Mar 2017 #5
Gamle-ged Mar 2017 #8
def_con5 Mar 2017 #9
WhiskeyMakesMeHappy Mar 2017 #10
def_con5 Mar 2017 #11
WhiskeyMakesMeHappy Mar 2017 #13
def_con5 Mar 2017 #14
WhiskeyMakesMeHappy Mar 2017 #16
DDKick Mar 2017 #12
Daves Not Here Man Mar 2017 #15
Muzzlehatch Mar 2017 #17

Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 11:07 AM

1. depends...

are you weighing it or dropping it on your head?

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Response to MumblyPeg (Reply #1)

Tue Mar 14, 2017, 11:08 AM

2. Watch out everyone!! We got an Edgelord here!!!

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Response to Daves Not Here Man (Reply #2)

Tue Mar 14, 2017, 11:10 AM

3. heh

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Response to Daves Not Here Man (Reply #2)

Tue Mar 14, 2017, 11:18 AM

6. And to save OTHERS from having to look it up... EDGELORD...

Someone, especially posting on the internet, who uses shocking and nihilistic speech and opinions that they themselves may or may not actually believe to gain attention and come across as a more dangerous and unique person. Most Edgelords are teenagers trying to seem overly cool and/or over-casually apathetic.

"The human race is a blight upon the world, what's wrong with all you people? Honestly I'm just waiting for the next plague to happen," -Johnny Edge

" Oh shut the hell up you whiny edgelord" -Johnny Everyone

Urban Dictionary


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Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 11:15 AM

4. 1 KG of gold

heaviest thing there is.

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Response to def_con5 (Reply #4)

Tue Mar 14, 2017, 11:20 AM

7. Duuuude, that's HEAVY, Man!...

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Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 11:18 AM

5. It's a trick question.

The correct answer is "Motorhead."

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Response to Tovera (Reply #5)

Tue Mar 14, 2017, 11:22 AM

8. If it were a proven fact that there was an absence of "soap," the correct reply would be "radio!"...

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Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 11:27 AM

9. Many moons ago

I took the physics course in HS, for dumb kids. All hands on experiments, instead of the math intensive one.

Anyway, it was a great course, and I actually learned a lot.

My favorite experiment was the feather and steel one (demonstrating gravity). Drop a steel washer and a feather from the same height, and the washer hits the ground first. cause steel's heavier than feathers. Now repeat the same experiment in a vacuum (evacuated long glass tube). Lo and behold they hit at the same time.

The theory is easy to understand, but seeing it is pretty cool.

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Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 11:28 AM

10. This is America, we use pounds here.

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Response to WhiskeyMakesMeHappy (Reply #10)

Tue Mar 14, 2017, 11:38 AM

11. True, wish we didn't

metric for me. What a confusing system, Is an ounce a volume or mass measurement?

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Response to def_con5 (Reply #11)

Tue Mar 14, 2017, 11:42 AM

13. All forms of measurment are arbitrary.

Metric is more thought out, but still based on something determined by happenstance, or Gods will if you prefer.

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Response to WhiskeyMakesMeHappy (Reply #13)

Tue Mar 14, 2017, 11:44 AM

14. All true

but at least they don't use the same term to try and measure different things.

Liters volume,
Grams mass.

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Response to def_con5 (Reply #14)

Tue Mar 14, 2017, 12:02 PM

16. LOL. Point.

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Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 11:41 AM

12. Is it me or is a kg a kg ?

Regardless of the material.

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Response to DDKick (Reply #12)

Tue Mar 14, 2017, 11:59 AM

15. That's kinda what the video is about.

Only with a Scottish guy. Which automatically makes it funny.

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Response to Daves Not Here Man (Original post)

Tue Mar 14, 2017, 02:16 PM

17. What does 'heaviness' measure - mass, or weight? If weight, measured where?

If measured on a balance in air, like in the video (but with the same packaging as each other - and I notice the feathers side has a suspiciously large plank, but its centre is not at the same distance from the fulcrum as the steel, indicating they haven't even tried to make this an actual demonstration), then the side with a kilogram of steel will go down. Because the feathers displace more air (the keratin is less dense than steel). To take the example to a more extreme case, what if I put a helium balloon with mass 1kg on one side, and 1 kg of steel on the other? The balloon would go up. With feathers, the difference will be extremely small, but might be measurable.

Do it in a vacuum, and they'll balance.

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