QI/Find the magnitude of the resultant (R) of thetwo vectors Vi and V2, using triangle lawmethod only.V2 = 21 units IV = 27 units330°---- ---- ---- ---- --- ---- --- ---- --- ---- --- ---- --- ---- --- ---- --- ------ --- ----Q2/F = 4 kNDetermine the projections Pa and Pi of the 4-kN force Fon to the a- and b- axes.30°40°T15°---- --- ---- --- ---- --- ---- --- ---- --- ---- --- ---- --- --- ---- --- ---- ---Q3/The force of magnitude F acts along the edge ofthe triangular plate. Determine the moment of Fabout point O, using scalar method (Varignon'stheorem) only.hFbPage 1 of 2

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Find the magnitude of the resultant (R) of the two vectors Vi and V2, using triangle law method only.

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.59P: Given r=4i6j+2km (position vector) F=20i+40j30kN (force vector) =0.8j+0.6k (dimensionless unit...

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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

QI/
Find the magnitude of the resultant (R) of the
two vectors Vi and V2, using triangle law
method only.
V2 = 21 units I
V = 27 units
3
30°
---- ---- ---- ---- --- ---- --- ---- --- ---- --- ---- --- ---- --- ---- --- --
---- --- ----
Q2/
F = 4 kN
Determine the projections Pa and Pi of the 4-kN force F
on to the a- and b- axes.
30°
40°
T15°
---- --- ---- --- ---- --- ---- --- ---- --- ---- --- ---- --- --- ---- --- ---- ---
Q3/
The force of magnitude F acts along the edge of
the triangular plate. Determine the moment of F
about point O, using scalar method (Varignon's
theorem) only.
h
F
b
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