Answered: You have 12 ball bearings, one of which…

You have 12 ball bearings, one of which is heavier than the others. What is the minimum number of weighings you must do on a balance scale before you can be certain of finding the heavier one?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 34P: In order to get his car out of the mud, a man ties one end of a rope to the front bumper and the...

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

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You have 12 ball bearings, one of which is heavier than the others.
What is the minimum number of weighings you must do ona balance
scale before you can be certain of finding the heavier one!

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