A man is pushing a refrigerator initially at rest up a 20 degree incline. He pushes with a force of 90 N parallel to the incline. The weight of the refrigerator is 80 N. The coefficient of non-sliding and sliding friction is 0.4 and 0.3 respectively. Point A is designated to be the lower right corner of the refrigerator. For what value of P will the refrigerator start to slide upwards? For what value of P will the refrigerator start to tip forward? What is the state of motion of the refrigerator?
A man is pushing a refrigerator initially at rest up a 20 degree incline. He pushes with a force of 90 N parallel to the incline. The weight of the refrigerator is 80 N. The coefficient of non-sliding and sliding friction is 0.4 and 0.3 respectively. Point A is designated to be the lower right corner of the refrigerator. For what value of P will the refrigerator start to slide upwards? For what value of P will the refrigerator start to tip forward? What is the state of motion of the refrigerator?
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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A man is pushing a refrigerator initially at rest up a 20 degree incline. He pushes with a force of 90 N parallel to the incline. The weight of the refrigerator is 80 N. The coefficient of non-sliding and sliding friction is 0.4 and 0.3 respectively. Point A is designated to be the lower right corner of the refrigerator.
For what value of P will the refrigerator start to slide upwards?
For what value of P will the refrigerator start to tip forward?
What is the state of motion of the refrigerator?
Transcribed Image Text:20°
0.45
0.9
A
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