Answered: 2. The half section of an arc is under…

2. The half section of an arc is under a uniformly varying load. If the weight of the arch is 50,000 lb, determine if the arch will be able to stand or fall over. (All lengths are in feet) 60

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.76P: The 50-ft measuring tape weighs 2.4 lb. Compute the span L of the tape to four significant figures.

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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

Problem 2

2. The half section of an arc is under a uniformly varying load. If the
weight of the arch is 50,000 lb, determine if the arch will be able to
stand or fall over. (All lengths are in feet)
60
30 lb/ft
60
40
85
vertex
Parabola
10

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