A mass of 2 kg is placed on a bar at a distance of r the bar is in a stationary state, as shown in the figure below. At t = 0, the bar starts a counter clockwise rotation around the point 0 at a constant angular acceleration of 1 rad/s?. It is known that the mass can stop on the bar without sliding until 0 = 30°. Based on these givens, please answer the following questions. 1 m from the point 0. Initially, %3D %3D a. What is the static friction coefficient between the mass and the bar? b. When the sliding starts, will the mass be moving towards the origin or away from the origin? 1 rad/s2 2 kg r = 1m
A mass of 2 kg is placed on a bar at a distance of r the bar is in a stationary state, as shown in the figure below. At t = 0, the bar starts a counter clockwise rotation around the point 0 at a constant angular acceleration of 1 rad/s?. It is known that the mass can stop on the bar without sliding until 0 = 30°. Based on these givens, please answer the following questions. 1 m from the point 0. Initially, %3D %3D a. What is the static friction coefficient between the mass and the bar? b. When the sliding starts, will the mass be moving towards the origin or away from the origin? 1 rad/s2 2 kg r = 1m
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 mass of 2 kg is placed on a bar at a distance of r = 1 m from the point 0. Initially,
the bar is in a stationary state, as shown in the figure below. At t = 0, the bar starts
a counter clockwise rotation around the point O at a constant angular acceleration
of 1 rad/s?. It is known that the mass can stop on the bar without sliding until 0 =
30°. Based on these givens, please answer the following questions.
a. What is the static friction coefficient between the mass and the bar?
b. When the sliding starts, will the mass be moving towards the origin or away
from the origin?
1 rad/s?
2 kg
r = 1m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2f56d678-a226-4928-8907-9ddd4df9c3a1%2Fd8babd49-7fc2-4d9d-8790-82c7c04e90d8%2F78uk3e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A mass of 2 kg is placed on a bar at a distance of r = 1 m from the point 0. Initially,
the bar is in a stationary state, as shown in the figure below. At t = 0, the bar starts
a counter clockwise rotation around the point O at a constant angular acceleration
of 1 rad/s?. It is known that the mass can stop on the bar without sliding until 0 =
30°. Based on these givens, please answer the following questions.
a. What is the static friction coefficient between the mass and the bar?
b. When the sliding starts, will the mass be moving towards the origin or away
from the origin?
1 rad/s?
2 kg
r = 1m
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