The motion of the 5.00-kg uniform rod AB is guided by small wheels of negligible mass that roll on the horizontal and vertical surfaces shown. A spring of constant &= 430 N/m is attached to end 8 of the rod. The rod is released from rest when = 30° (Position 1) and gets pulled down by the initially deformed spring. When = 45° (Position 2), the spring is at its undeformed length. Hint: od 1/12 mL² 1. Which of the following force/s does/do work on rod AB? 1. Normal force on roller A II. Normal force on roller B III. Spring force at B IV. Weight of rod AB k B 2. Which of the following best approximates the value of the elastic potential energy of the system at Position 1? 5. Which of the following best approximates the angular speed of the rod at Position 2? A 0.6 m 3. Which of the following best approximates the work done by gravity on the rod during its motion from Position 1 to Position 2? A 4. Which of the following expressions gives the kinetic energy of the rod at Position 2 in terms of w₂? w₂ is the angular speed of the rod at Position 2.
The motion of the 5.00-kg uniform rod AB is guided by small wheels of negligible mass that roll on the horizontal and vertical surfaces shown. A spring of constant &= 430 N/m is attached to end 8 of the rod. The rod is released from rest when = 30° (Position 1) and gets pulled down by the initially deformed spring. When = 45° (Position 2), the spring is at its undeformed length. Hint: od 1/12 mL² 1. Which of the following force/s does/do work on rod AB? 1. Normal force on roller A II. Normal force on roller B III. Spring force at B IV. Weight of rod AB k B 2. Which of the following best approximates the value of the elastic potential energy of the system at Position 1? 5. Which of the following best approximates the angular speed of the rod at Position 2? A 0.6 m 3. Which of the following best approximates the work done by gravity on the rod during its motion from Position 1 to Position 2? A 4. Which of the following expressions gives the kinetic energy of the rod at Position 2 in terms of w₂? w₂ is the angular speed of the rod at Position 2.
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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Transcribed Image Text:The motion of the 5.00-kg uniform rod AB is guided by small wheels of negligible mass that roll on the horizontal and vertical surfaces shown. A spring of constant k = 430 N/m is attached to end B of the rod. The rod is released from rest when 0 = 30°
(Position 1) and gets pulled down by the initially deformed spring. When 0 = 45° (Position 2), the spring is at its undeformed length.
Hint: Irod = 1/12 mL²
1. Which of the following force/s does/do work on rod AB?
1. Normal force on roller A
II. Normal force on roller B
III. Spring force at B
IV. Weight of rod AB
B
2. Which of the following best approximates the value of the elastic potential energy of the system at Position 1?
0.6 m
3. Which of the following best approximates the work done by gravity on the rod during its motion from Position 1 to Position 2?
5. Which of the following best approximates the angular speed of the rod at Position 2?
A
4. Which of the following expressions gives the kinetic energy of the rod at Position 2 in terms of w₂? w₂ is the angular speed of the rod at Position 2.
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