I dont understand how they got from the equations (2) and (3) to fi=48 and k=348 Concept Used:The linear relation of spring force, the displacement and the preload is,F = kx + F; .. (1)Calculation:Substitute 135 N for F and 25 cm for x in equation (1)135 N = k (25 cm135 N = k (4 m) + F;Im100 cm )) + F;Rearrange above equation.k+ 4F; = 540 . (2)Substitute 222 N for F and 50 cm for x in equation (1)222 N = k (50 cm (-222 N = k ( m) + F;Im100 cm-)) + F;Rearrange above equation.k+ 2F; = 444 .. (3)On solving above two equations (2) and (3), we getF; = 48 N and k = 348 N/mSubstitute 48 N for F¡ and 348 N/m for k in equation (1)F = (348 N/m) x + (48 N)The equation of line isF = 348x + 48

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Description: I dont understand how they got from the equations (2) and (3) to fi=48 and k=348 Concept Used:The linear relation of spring force, the displacement and the preload is,F = kx + F; .. (1)Calculation:Substitute 135 N for F and 25 cm for x in equation (1

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k + 4F; = 540 ... (2) Substitute 222 N for F and 50 cm for x in equation (1) 222 N = k (50 cm 222 N = k ( m) + F; Im)) + Fi 100 сm Rearrange above equation. k + 2F; = 444 .... (3) On solving above two equations (2) and (3), we get F; = 48 N and k = 348 N/m

k + 4F; = 540 ... (2) Substitute 222 N for F and 50 cm for x in equation (1) 222 N = k (50 cm 222 N = k ( m) + F; Im)) + Fi 100 сm Rearrange above equation. k + 2F; = 444 .... (3) On solving above two equations (2) and (3), we get F; = 48 N and k = 348 N/m

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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