Q1/ The 500-kg uniform beam is subjected to the three external loads shown. Compute thereactions at the support point O. The x-y plane is vertical.y3015 kN.m3 kNВC1.4 kN1.2 m1.8 m1.8 mQ2/ A former student of mechanics wishes to weigh himself but has access only to a scaleA with capacity limited to 100 lb and a small 20-lb spring dynamometer B. With the rigshown he discovers that when he exerts a pull on the rope so that B registers 19 lb, thescale A reads 67 lb. What is his correct weight?ВA

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Q1/ The 500-kg uniform beam is subjected to the three external loads shown. Compute the reactions at the support point O. The x-y plane is vertical. y 30° 15 kN.m 3 kN B C 1.4 kN -1.2 m 1.8 m 1.8 m

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 6.63P: The cable of the suspension bridge spans L=140m with a sag H=20m. The cable supports a uniformly...

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Concept explainers

Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.

Question

Q1/ The 500-kg uniform beam is subjected to the three external loads shown. Compute the
reactions at the support point O. The x-y plane is vertical.
y
30
15 kN.m
3 kN
В
C
1.4 kN
1.2 m
1.8 m
1.8 m
Q2/ A former student of mechanics wishes to weigh himself but has access only to a scale
A with capacity limited to 100 lb and a small 20-lb spring dynamometer B. With the rig
shown he discovers that when he exerts a pull on the rope so that B registers 19 lb, the
scale A reads 67 lb. What is his correct weight?
В
A

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