A man exerts a forec of F on the handle of wheelbarrow. The mass of the wheclbarrow together with its content is 85 kg with center of mass at G. For the configuration shown, what force F must be applied by the man at A to make the net moment about the tire contact point B equal to zero? What is the reaction at B? The wheelbarrow is stationary. mg 60° G 20° 650 mm B 200 mm 925 mm

A man exerts a forec of F on the handle of wheelbarrow. The mass of the wheclbarrow together with its content is 85 kg with center of mass at G. For the configuration shown, what force F must be applied by the man at A to make the net moment about the tire contact point B equal to zero? What is the reaction at B? The wheelbarrow is stationary. mg 60° G 20° 650 mm B 200 mm 925 mm

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter2: Basic Operations With Force Systems

Section: Chapter Questions

Problem 2.54P: To lift the table without tilting, the combined moment of the four parallel forces must be zero...

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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

A man exerts a forec of F on the handle of wheelbarrow. The mass of the wheclbarrow
together with its content is 85 kg with center of mass at G. For the configuration shown,
what force F must be applied by the man at A to make the net moment about the tire
contact point B equal to zero? What is the reaction at B? The wheelbarrow is stationary.
mg
60°
G
20°
650 mm
B
200
mm
925 mm

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