A metallic uniform rigid bar of weight Wis supported in a horizontal orientation by a string rope that makes an angle of 30° with the horizontal. The force exerted at point O, where it is pivoted, is best represented by a vector whose direction is? 30° + A. ↑ B. 7 C. → D.

A metallic uniform rigid bar of weight Wis supported in a horizontal orientation by a string rope that makes an angle of 30° with the horizontal. The force exerted at point O, where it is pivoted, is best represented by a vector whose direction is? 30° + A. ↑ B. 7 C. → D.

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 74A

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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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A metallic uniform rigid bar of weight Wis
supported in a horizontal orientation by a
string rope that makes an angle of 30°
with the horizontal. The force exerted at point
O, where it is pivoted, is best represented by a
vector whose direction is?
30°
1.
01.
A. ↑
B. 7
C. →
D.

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