02-06ChapGere.0008

02-06ChapGere.0008 - AXIMUM SHORTENING OF THE SPRING 5 215...

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Problem 2.8-4 A block weighing W 5 5.0 N drops inside a cylinder from a height h 5 200 mm onto a spring having stiffness k 5 90 N/m (see figure). (a) Determine the maximum shortening of the spring due to the impact, and (b) determine the impact factor. Solution 2.8-4 Block dropping onto a spring SECTION 2.8 Impact Loading 151 h Cylinder Block k W 5 5.0N h 5 200mm k 5 90N/m (a) M
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Unformatted text preview: AXIMUM SHORTENING OF THE SPRING 5 215 mm Eq. (2-53): Ê d max 5 d st B 1 1 ¢ 1 1 2 h d st ≤ 1 / 2 R d st 5 W k 5 5.0 N 90 N / m 5 55.56 mm (b) I MPACT FACTOR (E Q . 2-61) 5 3.9 Impact factor 5 d max d st 5 215 mm 55.56 mm h k W Prob. 2.8-4 and 2.8-5 A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
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