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2. A 15-kg slender bar OA is released from rest in the purely vertical position* and compresses the spring of stiffness k = 20 kN/m as the horizontal position is passed. The spring height h can be adjusted via a thumb screw. a. If we desire the bar to have an angular velocity of 4 rad/s as it crosses the horizontal, what should h be set to? b. How does the design choice of the position x affect these calculations? *Parallax of my scan misleads a little. The bar starts at a straight vertical position.

2. A 15-kg slender bar OA is released from rest in the purely vertical position* and compresses the spring of stiffness k = 20 kN/m as the horizontal position is passed. The spring height h can be adjusted via a thumb screw. a. If we desire the bar to have an angular velocity of 4 rad/s as it crosses the horizontal, what should h be set to? b. How does the design choice of the position x affect these calculations? *Parallax of my scan misleads a little. The bar starts at a straight vertical position.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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2. A 15-kg slender bar OA is released from rest in the purely vertical position* and compresses the spring of stiffness k = 20 kN/m as the horizontal position is passed. The spring height h can be adjusted via a thumb screw. a. If we desire the bar to have an angular velocity of 4 rad/s as it crosses the horizontal, what should h be 600 mm set to? b. How does the design choice of the position x affect these calculations? *Parallax of my scan misleads a little. The bar starts at a straight vertical position. x = 400 mm
Transcribed Image Text:2. A 15-kg slender bar OA is released from rest in the purely vertical position* and compresses the spring of stiffness k = 20 kN/m as the horizontal position is passed. The spring height h can be adjusted via a thumb screw. a. If we desire the bar to have an angular velocity of 4 rad/s as it crosses the horizontal, what should h be 600 mm set to? b. How does the design choice of the position x affect these calculations? *Parallax of my scan misleads a little. The bar starts at a straight vertical position. x = 400 mm
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