The man tries to reposition the 50 kg refrigerator in his kitchen by pushing it from rest with a force P = 170 N, inclined 30° from the horizontal at 1.60 m from the floor. The coefficient of non-sliding friction between the floor and the refrigerator is μs = 0.40. After pushing, the refrigerator started to tip. Which of the following quantities is ZERO at the instant described in the problem? a. friction at A b. body's angular acceleration c. body's angular velocity d. the acceleration of mass center G Which of the following values is closest to the magnitude of the angular acceleration of the refrigerator? a. 7.57 rad/s^2 b. 2.50 rad/s^2 c. 1.892 rad/s^2 d. 1.877 rad/s^2
The man tries to reposition the 50 kg refrigerator in his kitchen by pushing it from rest with a force P = 170 N, inclined 30° from the horizontal at 1.60 m from the floor. The coefficient of non-sliding friction between the floor and the refrigerator is μs = 0.40. After pushing, the refrigerator started to tip. Which of the following quantities is ZERO at the instant described in the problem? a. friction at A b. body's angular acceleration c. body's angular velocity d. the acceleration of mass center G Which of the following values is closest to the magnitude of the angular acceleration of the refrigerator? a. 7.57 rad/s^2 b. 2.50 rad/s^2 c. 1.892 rad/s^2 d. 1.877 rad/s^2
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 17RQ: Convert 22C to Fahrenheit.
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Question
The man tries to reposition the 50 kg refrigerator in his kitchen by pushing it from rest with a force P = 170 N, inclined 30° from the horizontal at 1.60 m from the floor. The coefficient of non-sliding friction between the floor and the refrigerator is μs = 0.40.
After pushing, the refrigerator started to tip.
Which of the following quantities is ZERO at the instant described in the problem?
a. friction at A
b. body's angular acceleration
c. body's angular velocity
d. the acceleration of mass center G
Which of the following values is closest to the magnitude of the angular acceleration of the refrigerator?
a. 7.57 rad/s^2
b. 2.50 rad/s^2
c. 1.892 rad/s^2
d. 1.877 rad/s^2
![1.60 m
30°
THIS SIDE UP.
REF INSIDE
-0.70 m
1.85 m
170 N
30°
1.60 m
0.35 m
G
“I
490.5 N
0.70 m
A
0.925 m
N
Ff](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2deae247-ce32-4d89-bdbd-7872fa3ab4bc%2Fba226a1b-4fca-4687-a7aa-943ace9b8a95%2Fh2pbv9o_processed.png&w=3840&q=75)
Transcribed Image Text:1.60 m
30°
THIS SIDE UP.
REF INSIDE
-0.70 m
1.85 m
170 N
30°
1.60 m
0.35 m
G
“I
490.5 N
0.70 m
A
0.925 m
N
Ff
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