part a) Determine the tension force that the horizontal cable exerts on the beam (which is analogous to the force the back muscle exerts on the backbone). part b) Determine the magnitude of the force that the wall exerts on the beam at the hinge (which is analogous to the force that a disk in the lower back exerts on the backbone). part c) Determine the direction of the force (measured from the positive xx-axis) that the wall exerts on the beam at the hinge (which is analogous to the force that a disk in the lower back exerts on the backbone).

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter1: Measurement
Section: Chapter Questions
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You injure your back at work lifting a 420-NN radiator. To understand how it happened, you model your back as a weightless beam (the figure below), analogous to the backbone of a person in a bent position when lifting an object.

part a) Determine the tension force that the horizontal cable exerts on the beam (which is analogous to the force the back muscle exerts on the backbone).

part b) Determine the magnitude of the force that the wall exerts on the beam at the hinge (which is analogous to the force that a disk in the lower back exerts on the backbone).

part c) Determine the direction of the force (measured from the positive xx-axis) that the wall exerts on the beam at the hinge (which is analogous to the force that a disk in the lower back exerts on the backbone).

15
420N
(b)
Transcribed Image Text:15 420N (b)
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