E. Convert 78.2 lbf/ft² to kN/m² to the correct number of significant figures. F. Line a-a runs through point A (3.5,2.6,4.9)ft. and through point B, (3.9. -3.4.2.3)ft along a-a as shown. What is the unit vector from A to B? A (X8-Y8. y (XA. YA. ZA)

E. Convert 78.2 lbf/ft² to kN/m² to the correct number of significant figures. F. Line a-a runs through point A (3.5,2.6,4.9)ft. and through point B, (3.9. -3.4.2.3)ft along a-a as shown. What is the unit vector from A to B? A (X8-Y8. y (XA. YA. ZA)

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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Question

Need help with these two questions. for the first question please do the whole conversion process. And include all steps and units please and thanks

E.
Convert 78.2 lbf/ft² to kN/m² to the correct number of significant figures.
F.
Line a-a runs through point A (3.5,2.6,4.9)ft. and through point B, (3.9. -3.4.2.3)ft along a-a
as shown. What is the unit vector from A to B?
A
(X8-Y8.
y
(XA. YA. ZA)

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