27. A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 50.0-gram mass is attached to the 10.0-cm mark, the fulcrum must be moved to the 39.2 cm mark for balance. What is the mass, in grams, of the meter stick?

27. A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 50.0-gram mass is attached to the 10.0-cm mark, the fulcrum must be moved to the 39.2 cm mark for balance. What is the mass, in grams, of the meter stick?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 90A

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Question

Pls answer #27 with complete solutions, thanks

Analyze the problems carefully, then solve them. Be systematic when answering. Write the given, label them; the required; and all calculations pertinent to the problem. Express your numerical answers with the appropriate number of significant figures.

27. A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 50.0-gram mass is
attached to the 10.0-cm mark, the fulcrum must be moved to the 39.2 cm mark for balance. What is the mass, in grams,
of the meter stick?

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