- Brain Teaser ***

 

Saturday, October 20, 2007

Balancing Broom

Balancing Broom

If you balanced a broom horizontally on your finger, so that your finger was exactly on the broom's center of gravity, marked that spot and cut the broom in two, then you would have a long and a short piece. The long piece being most of the handle and the short piece being the bristle end and a small part of the handle. Now what will happen if you weigh both pieces? (pick all that apply)

A) The short piece will weigh more.

B) The long piece will weigh more.

C) Both will weigh the same.

D) Your mom will find out and hit you with both pieces!

(Scoll Down for Solution)

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Hint:

Think about two kids on a see-saw. Where does the heavy kid have to sit to balance the see-saw with his smaller friend?.

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Solution

A) The short piece will weigh more!

This is due to the torque needed to hold the long piece up. It is the same reason a heavy kid has to sit closer in on a see-saw when he is on it with a lighter friend.

Oh yeah, D) may also be correct depending on your mother's temperament.

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Thursday, October 04, 2007

The Passwords

A man worked for a high-security institution, and one day he went in to work only to find that he could not log in to his computer terminal. His password wouldn't work. Then he remembered that the passwords are reset every month for security purposes. So he went to his boss and they had this conversation:

Man-"Hey boss, my password is out of date."

Boss-"Yes, that's right. The password is different, but if you listen carefully you should be able to figure out the new one: It has the same amount of letters as your old password, but only four of the letters are the same."

Man: "Thanks boss."

With that, he went and correctly logged into his station.

What was the new password?

BONUS: What was his old password?

(Scoll Down for Solution)

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Hint:

It is nine letters long. Also, a "password" can be more than one word...

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Solution

The old one was : Out of date

The new one is: Different

He said: My password is "Out of date." And the boss told him the new one when he said: "The password is different."

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