Problem # 1Determine the natural frequency of the beam-spring system shown below consisting of a weightof W = 70 lb attached to a horizontal cantilever beam through the coil spring k2. The cantileverbeam has a thickness h = ½ in., a width b = 1-4 in., modulus of elasticity E= 30 x 106 psi,and length L 13 in. The coil spring has a stiffness k2 = 100 lb/in.Problem # 2Problem #3L=13 in.k₂= 3000 N/mk₁= 10000 N/mA mass of 30 kg is supported on two isolators as shown. Determine the undamped and dampednatural frequencies of the system, neglect the mass of the isolators.m= 30 kg2k- 4900 N/m21M = 30 kghk2= 100 lb/in.A 30 kg mass is resting on a spring of 4900 N/m and dashpot of 147 N-se/m in parallel. If avelocity of 0.15 m/sec is applied to the mass at the rest position, what will be its displacementfrom the equilibrium position at the end of the first second?EC₂= 100 N-sec/mC₁ = 300 N-sec/mC-147 N-sec/m

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Problem # 1 Determine the natural frequency of the beam-spring system shown below consisting of a weight of W = 70 lb attached to a horizontal cantilever beam through the coil spring k2. The cantilever beam has a thickness h = ½ in., a width b = 1-4 in., modulus of elasticity E = 30 x 100 psi, and length L = 13 in. The coil spring has a stiffness k2 = 100 lb/in. L=13 in. k2= 100 lb/in.

Problem # 1 Determine the natural frequency of the beam-spring system shown below consisting of a weight of W = 70 lb attached to a horizontal cantilever beam through the coil spring k2. The cantilever beam has a thickness h = ½ in., a width b = 1-4 in., modulus of elasticity E = 30 x 100 psi, and length L = 13 in. The coil spring has a stiffness k2 = 100 lb/in. L=13 in. k2= 100 lb/in.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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