14-57. When the 100-lb block is at h = 3 ft above the post and spring assembly, it has a speed of v = 20 ft>s. If the post has a diameter of d = 2 in., and is made of 2014-T6 aluminum, and the spring has a stiffness of k = 500 kip/in., determine the maximum normal stress developed in the post. | |
| View Solution | |
| << Back | Next >> |