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More ways to get Braingle...

Juggler Issue

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#44177
Fun:*** (2.6)
Difficulty:** (1.37)
Category:Science
Submitted By:rockstar1234567Aca*****

 

 

 



A juggler must perform a trick in which he crosses a narrow bridge juggling 3 balls. He weighs 80 kg and each one of the balls weighs 10 kg. However, the bridge can hold only 100 kg before breaking. The lion tamer said that as long as he kept one ball in the air, the bridge won't collapse. Is he correct?


Hint

Newton's 3rd Law of Motion
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Comments

Nerine**
Feb 25, 2009

Good one!!

Knew the 3rd law, guessed that the lion tamer was wrong but couldn't put it into words...

Yay for SCIENCE!!
braingle100tus*
Feb 25, 2009

poor juggler.
megabreath*
Feb 25, 2009

Poor bridge.
ttt3142ca*
Feb 25, 2009

What's under the bridge, anyways?
megabreath*
Feb 26, 2009

Well the juggler is now.
tamjpAus*
Feb 26, 2009

ditto what Nerine said

entertaining visual imagery made a dry scientific teaser fun
thanks
tamjpAus*
Feb 26, 2009

perhaps the lions are under the bridge
wisteriastormAus*
Feb 28, 2009

I got it without the hint, but i said that when he catches the ball the force would cause him to go over the weight limit.(i'm thinking thought that could be disputed, therefore making yours more accurate =])

great teaser
AndrewWalkerAfi*
Mar 07, 2009

easy but great teaser!
ShadowsAca*
Mar 09, 2009

I can't believe it took six years for this to be submitted. It's almost a classic!

Right now, I'm trying to picture an 80 kg fatso juggling bowling balls. I have to try juggling those sometime . . .
(user deleted)
Mar 18, 2009

I think it's a toss-up.
If the ball weighs 10 kg and it takes another 10 kg to catch it and return it to the air, that's right at the 100 kg limit.

Our juggler has a slim chance (but he better keep going)
Deedee123*ca*
Apr 01, 2009

Who makes a bridge w/ only a 100 kg limit?
Deedee123*ca*
Apr 01, 2009

And who weighs 80 Kg?
PaladinAus*
Apr 09, 2009

Scientifically found teaser and correct answer. Very fun!
bradon182001*us*
Apr 19, 2009

Interesting teaser. I'll have to take your word for the answer, though. Thanks for posting.
(user deleted)
Jun 16, 2009

What about the force from him propelling himself forward on the bridge and moving one arm up to throw up the next ball. If he is moving at all, at no point will the force from his 80 kg be applied to the bridge right?
UptheHillA*
Aug 06, 2009

Nice one, keep them coming!!!
skuxdux
Sep 02, 2009

ummm it was kind of boraang
doctapeppamanAus*
Aug 28, 2010

The average male weight in the United States is actually over 80kg.
JQPublic*
Sep 28, 2010

It's hope the juggler either doesn't listen to the lion tamer or loses weight!
lyckzx*ph*
Dec 07, 2010

I got ur point eventhough it's quite confusing..i suggest you put ur computations on how u come up on ur conclusion..& oh, let me remind u that kg is only a unit for weight & not for force..anyways, it's still a good teaser..keep it up!..
AgKKR20
Mar 04, 2011

Easy one...got that right in the first attempt...but thanks for submitting...
SRB_1807Ain*
Oct 14, 2011

good one man ....
marcuslikespieus
Aug 27, 2012

What if he juggled nearly straight horizontal? I juggle that way sometimes, and I don't think the force to throw would affect the bridge.



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