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Physics / Physics with MasteringPhysics 4 / Chapter 11 / Problem 7P

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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Consider the pulley-block systems shown in Conceptual

Chapter 11, Problem 7P

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QUESTION:

Consider the pulley–block systems shown in Conceptual Checkpoint 11–1. (a) Is the tension in the string on the left-hand rotating system greater than, less than, or equal to the weight of the mass attached to that string? (b) Choose the best explanation from among the following:

I.The mass is in free fall once it is released.

II. The string rotates the pulley in addition to supporting the mass.

III. The mass accelerates downward.

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QUESTION:

Consider the pulley–block systems shown in Conceptual Checkpoint 11–1. (a) Is the tension in the string on the left-hand rotating system greater than, less than, or equal to the weight of the mass attached to that string? (b) Choose the best explanation from among the following:

I.The mass is in free fall once it is released.

II. The string rotates the pulley in addition to supporting the mass.

III. The mass accelerates downward.

ANSWER:

Step 1 of 2

The motion of mass depends on its weight. It is given that tension in the string on the left-hand rotating system is greater than, less than, or equal to the weight of the mass attached to that string.

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