827_Dynamics 11ed Manual

# 827_Dynamics 11ed Manual - and that the total stiffness of...

This preview shows page 1. Sign up to view the full content.

Engineering Mechanics - Dynamics Chapter 22 F 0 50 lb = ω 2 rad s = k 2000 lb ft = Solution: n kg W = n 6.55 rad s = C F 0 k 1 n 2 = x p C sin t () = 2.00 rad s = C 0.0276 ft = *Problem 22-56 The engine is mounted on a foundation block which is spring-supported. The block and engine have total weight W and the engine, when running, creates an impressed force F = F 0 sin ω t . Assume that the system vibrates only in the vertical direction, with the positive displacement measured downward,
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: and that the total stiffness of the springs can be represented as k . What rotational speed will cause resonance? Given: W 1500 lb = F 50 lb = 2 rad s = k 2000 lb ft = 825...
View Full Document

## This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

Ask a homework question - tutors are online