Q5/ Determine the vector expression for the moment Mo of the 600-N force about point O. The design specification for the bolt at O would require this result. Ans. Mo = - 55.2i- 13.86 +40.8k N.m %3D 150 mm 140 mm 50 mm 60 130 mm 45

Q5/ Determine the vector expression for the moment Mo of the 600-N force about point O. The design specification for the bolt at O would require this result. Ans. Mo = - 55.2i- 13.86 +40.8k N.m %3D 150 mm 140 mm 50 mm 60 130 mm 45

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 2.91P: (a) Replace the force F=2800i+1600j+3000klb acting at end A of the crank handle with a force R...

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

Q5/ Determine the vector expression for the moment Mo of the 600-N force about
point O. The design specification for the bolt at O would require this result.
Ans. Mo =
- 55.2i- 13.86 +40.8k N.m
150 mm
140 mm
50 mm
130 mm
45

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