Answered: Guy wire Boom 60.0° 5000 N

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section: Chapter Questions

Problem 39A

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Question

The boom in the figure below (Figure 1) weighs 2600 N and is attached to a frictionless pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 37% of its length.

Make a free-body diagram of the boom. The boom attaches to the building at dot A. The center of gravity of the boom is indicated by dot B. The guy wire attaches to the boom and holds the load at dot C.

Draw the vectors starting at the black dots. The location and orientation of the vectors will be graded. The length of the vectors will not be graded. Positive torque is considered to be in the counterclockwise direction.

Find the tension in the guy wire.

Express your answer in newtons.

Find the horizontal component of the force exerted on the boom at its lower end.

Express your answer in newtons.

Find the vertical component of the force exerted on the boom at its lower end.

Express your answer in newtons.

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