Solved: An old question is “Which weighs more, a pound of

Chapter 12, Problem 15DQ

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QUESTION:

Problem 15DQ

An old question is “Which weighs more, a pound of feathers or a pound of lead?” If the weight in pounds is the gravitational force, will a pound of feathers balance a pound of lead on opposite pans of an equal-arm balance? Explain, taking into account buoyant forces.

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QUESTION:

Problem 15DQ

An old question is “Which weighs more, a pound of feathers or a pound of lead?” If the weight in pounds is the gravitational force, will a pound of feathers balance a pound of lead on opposite pans of an equal-arm balance? Explain, taking into account buoyant forces.

ANSWER:

Solution 15DQ

Introduction

We have to discuss which weighs more, a pound of father or a pound of lead, taking into account the buoyant force of air.

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