A weight of 450 N rests upon a vertical spring whose scale is 140 N/mm. The spring is then pressed down 120mm farther by an added pressure of 4.5 kN. If this added pressure is then released suddenly, what will be the velocity of the 450 N weight 1.50m above the depressed position.

A weight of 450 N rests upon a vertical spring whose scale is 140 N/mm. The spring is then pressed down 120mm farther by an added pressure of 4.5 kN. If this added pressure is then released suddenly, what will be the velocity of the 450 N weight 1.50m above the depressed position.

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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Question

A weight of 45O N rests upon a vertical spring whose scale is 140 N/mm.
The spring is then pressed down 120mm farther by an added pressure of
4.5 kN. If this added pressure is then released suddenly, what will be the
velocity of the 450 N weight 1.50m above the depressed position.

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