4. The link EF of mass 2 kg is welded at point A to a link ABC of mass 2 kg, which rotates about a pivot B. A spring of constant k =300 N/m and of un-stretched length 150 mm is attached to the link ABC as shown. Knowing that in the position shown the assembly has an angular velocity of 10 rad/s clockwise, (a) Determine the angular velocity when the assembly has rotated 90° clockwise, (b) Find the corresponding angular acceleration of part (a), and (c) Find the corresponding reaction force at point B. (For (b) and (c), set up all the required equations with a Free-Body-Diagram 150 mm and a Kinetic Diagram) 150 mm 150 mm, 150 mm 360 mm
4. The link EF of mass 2 kg is welded at point A to a link ABC of mass 2 kg, which rotates about a pivot B. A spring of constant k =300 N/m and of un-stretched length 150 mm is attached to the link ABC as shown. Knowing that in the position shown the assembly has an angular velocity of 10 rad/s clockwise, (a) Determine the angular velocity when the assembly has rotated 90° clockwise, (b) Find the corresponding angular acceleration of part (a), and (c) Find the corresponding reaction force at point B. (For (b) and (c), set up all the required equations with a Free-Body-Diagram 150 mm and a Kinetic Diagram) 150 mm 150 mm, 150 mm 360 mm
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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Question
![4.
The link EF of mass 2 kg is welded at point A to a link ABC of mass 2 kg, which rotates about a pivot
B. A spring of constant k =300 N/m and of un-stretched length 150 mm is attached to the link ABC as shown.
Knowing that in the position shown the assembly has an angular velocity of 10 rad/s clockwise,
(a) Determine the angular velocity when the assembly has rotated 90° clockwise,
(b) Find the corresponding angular acceleration of part (a), and
(c) Find the corresponding reaction force at point B.
(For (b) and (c), set up all the required equations with a Free-Body-Diagram 150 mm
and a Kinetic Diagram)
150 mm, 150 mm,
E
150 mm
360 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd83466b-7ccd-48ac-a0af-761cb4dab30b%2F5e725f72-5a6a-4cb9-b1a8-6ad8e9fd6ebb%2F6ps5u4t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4.
The link EF of mass 2 kg is welded at point A to a link ABC of mass 2 kg, which rotates about a pivot
B. A spring of constant k =300 N/m and of un-stretched length 150 mm is attached to the link ABC as shown.
Knowing that in the position shown the assembly has an angular velocity of 10 rad/s clockwise,
(a) Determine the angular velocity when the assembly has rotated 90° clockwise,
(b) Find the corresponding angular acceleration of part (a), and
(c) Find the corresponding reaction force at point B.
(For (b) and (c), set up all the required equations with a Free-Body-Diagram 150 mm
and a Kinetic Diagram)
150 mm, 150 mm,
E
150 mm
360 mm
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