Sam and Joe carry a beam, walking to the right. Calculate the force that Sam exerts, in pounds. The beam's weight is 163 lb. The beam's length is 22 ft. Sam is 5 ft from the back. Joe is 5 ft from the front.

Sam and Joe carry a beam, walking to the right. Calculate the force that Sam exerts, in pounds. The beam's weight is 163 lb. The beam's length is 22 ft. Sam is 5 ft from the back. Joe is 5 ft from the front.

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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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.

Question

Sam and Joe carry a beam, walking to the right. Calculate the force that Sam exerts, in pounds.

The beam's weight is 163 lb.
The beam's length is 22 ft.
Sam is 5 ft from the back.
Joe is 5 ft from the front.

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