The spring of modulus k = 870 N/m is stretched a distance ō = 71 mm when the mechanism is in the position shown. (a) Calculate the force Pmin required to initiate rotation about the hinge axis BC, and determine the corresponding magnitudes of t bearing forces which are perpendicular to BC. (b) What is the normal reaction force at Dif P = Pmin/2? 95 mm 55 mm C 146 mm k = 870 N/m 49 mm 173 mm B 49 mm 55 mm 129 mm 46 mm

The spring of modulus k = 870 N/m is stretched a distance ō = 71 mm when the mechanism is in the position shown. (a) Calculate the force Pmin required to initiate rotation about the hinge axis BC, and determine the corresponding magnitudes of t bearing forces which are perpendicular to BC. (b) What is the normal reaction force at Dif P = Pmin/2? 95 mm 55 mm C 146 mm k = 870 N/m 49 mm 173 mm B 49 mm 55 mm 129 mm 46 mm

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.125P: The figure shows a three-pin arch. Determine the horizontal component of the pin reaction at A...

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