A mass is attached to a meterstick that you hold by the left end. Rank the cases shown in the diagram in order of increasing difficulty of holding the meterstick still. Indicate ties where appropriate. m 30° 30° Case A Case B Case C Case D m

A mass is attached to a meterstick that you hold by the left end. Rank the cases shown in the diagram in order of increasing difficulty of holding the meterstick still. Indicate ties where appropriate. m 30° 30° Case A Case B Case C Case D m

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section: Chapter Questions

Problem 84A

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

A mass is attached to a meterstick that you hold by the left end. Rank the cases shown in the diagram in order of increasing difficulty of holding the
meterstick still. Indicate ties where appropriate.
m
30°
30°
Case A
Case B
Case C
Case D
m

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Step 2: Calculation of torque in each case :-

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Step 3: Torque calculation:-

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